test/testsprite2.c
author Holmes Futrell <hfutrell@umail.ucsb.edu>
Thu, 01 Jan 2009 23:49:28 +0000
changeset 2950 04c9f1e4c496
parent 2884 9dde605c7540
child 3183 d1436442215f
permissions -rw-r--r--
Added target testdraw2 for running the test/testdraw2.c test.
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/* Simple program:  Move N sprites around on the screen as fast as possible */
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include "common.h"
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#define NUM_SPRITES	100
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#define MAX_SPEED 	1
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static CommonState *state;
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static int num_sprites;
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static SDL_TextureID *sprites;
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static SDL_bool cycle_color;
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static SDL_bool cycle_alpha;
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static int cycle_direction = 1;
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static int current_alpha = 0;
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static int current_color = 0;
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static SDL_Rect *positions;
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static SDL_Rect *velocities;
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static int sprite_w, sprite_h;
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static SDL_BlendMode blendMode = SDL_BLENDMODE_MASK;
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static SDL_TextureScaleMode scaleMode = SDL_TEXTURESCALEMODE_NONE;
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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static void
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quit(int rc)
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{
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    if (sprites) {
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        SDL_free(sprites);
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    }
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    if (positions) {
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        SDL_free(positions);
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    }
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    if (velocities) {
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        SDL_free(velocities);
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    }
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    CommonQuit(state);
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    exit(rc);
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}
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int
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LoadSprite(char *file)
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{
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    int i;
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    SDL_Surface *temp;
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    /* Load the sprite image */
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    temp = SDL_LoadBMP(file);
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    if (temp == NULL) {
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        fprintf(stderr, "Couldn't load %s: %s", file, SDL_GetError());
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        return (-1);
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    }
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    sprite_w = temp->w;
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    sprite_h = temp->h;
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    /* Set transparent pixel as the pixel at (0,0) */
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    if (temp->format->palette) {
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        SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint8 *) temp->pixels);
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    }
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    /* Create textures from the image */
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    for (i = 0; i < state->num_windows; ++i) {
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        SDL_SelectRenderer(state->windows[i]);
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        sprites[i] = SDL_CreateTextureFromSurface(0, temp);
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        if (!sprites[i]) {
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            fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
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            SDL_FreeSurface(temp);
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            return (-1);
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        }
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        SDL_SetTextureBlendMode(sprites[i], blendMode);
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        SDL_SetTextureScaleMode(sprites[i], scaleMode);
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    }
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    SDL_FreeSurface(temp);
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    /* We're ready to roll. :) */
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    return (0);
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}
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void
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MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
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{
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    int i, n;
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    int window_w, window_h;
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    SDL_Rect *position, *velocity;
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    SDL_SelectRenderer(window);
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    /* Query the sizes */
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    SDL_GetWindowSize(window, &window_w, &window_h);
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    /* Cycle the color and alpha, if desired */
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    if (cycle_color) {
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        current_color += cycle_direction;
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        if (current_color < 0) {
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            current_color = 0;
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            cycle_direction = -cycle_direction;
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        }
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        if (current_color > 255) {
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            current_color = 255;
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            cycle_direction = -cycle_direction;
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        }
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        SDL_SetTextureColorMod(sprite, 255, (Uint8) current_color,
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                               (Uint8) current_color);
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    }
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    if (cycle_alpha) {
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        current_alpha += cycle_direction;
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        if (current_alpha < 0) {
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            current_alpha = 0;
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            cycle_direction = -cycle_direction;
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        }
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        if (current_alpha > 255) {
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            current_alpha = 255;
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            cycle_direction = -cycle_direction;
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        }
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        SDL_SetTextureAlphaMod(sprite, (Uint8) current_alpha);
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    }
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    /* Move the sprite, bounce at the wall, and draw */
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    n = 0;
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    SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
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    SDL_RenderFill(NULL);
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    for (i = 0; i < num_sprites; ++i) {
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        position = &positions[i];
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        velocity = &velocities[i];
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diff changeset
   127
        position->x += velocity->x;
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parents:
diff changeset
   128
        if ((position->x < 0) || (position->x >= (window_w - sprite_w))) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   129
            velocity->x = -velocity->x;
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parents:
diff changeset
   130
            position->x += velocity->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   131
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   132
        position->y += velocity->y;
2834
feb6ccdb888f minor bug
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parents: 2786
diff changeset
   133
        if ((position->y < 0) || (position->y >= (window_h - sprite_h))) {
1895
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parents:
diff changeset
   134
            velocity->y = -velocity->y;
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parents:
diff changeset
   135
            position->y += velocity->y;
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parents:
diff changeset
   136
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   137
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   138
        /* Blit the sprite onto the screen */
1985
8055185ae4ed Added source color and alpha modulation support.
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diff changeset
   139
        SDL_RenderCopy(sprite, NULL, position);
1895
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parents:
diff changeset
   140
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   141
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   142
    /* Update the screen! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   143
    SDL_RenderPresent();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   144
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   145
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   146
int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   147
main(int argc, char *argv[])
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   148
{
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   149
    int i, done;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   150
    SDL_Event event;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   151
    Uint32 then, now, frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   152
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   153
    /* Initialize parameters */
1895
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parents:
diff changeset
   154
    num_sprites = NUM_SPRITES;
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   155
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   156
    /* Initialize test framework */
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   157
    state = CommonCreateState(argv, SDL_INIT_VIDEO);
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   158
    if (!state) {
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   159
        return 1;
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   160
    }
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   161
    for (i = 1; i < argc;) {
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   162
        int consumed;
051df511279c Added a test program framework for easy initialization.
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diff changeset
   163
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   164
        consumed = CommonArg(state, i);
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
   165
        if (consumed == 0) {
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   166
            consumed = -1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   167
            if (SDL_strcasecmp(argv[i], "--blend") == 0) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   168
                if (argv[i + 1]) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   169
                    if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
2884
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diff changeset
   170
                        blendMode = SDL_BLENDMODE_NONE;
1916
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parents: 1915
diff changeset
   171
                        consumed = 2;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   172
                    } else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
2884
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diff changeset
   173
                        blendMode = SDL_BLENDMODE_MASK;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   174
                        consumed = 2;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   175
                    } else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
2884
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diff changeset
   176
                        blendMode = SDL_BLENDMODE_BLEND;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   177
                        consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   178
                    } else if (SDL_strcasecmp(argv[i + 1], "add") == 0) {
2884
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diff changeset
   179
                        blendMode = SDL_BLENDMODE_ADD;
1916
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parents: 1915
diff changeset
   180
                        consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   181
                    } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
2884
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diff changeset
   182
                        blendMode = SDL_BLENDMODE_MOD;
1916
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parents: 1915
diff changeset
   183
                        consumed = 2;
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   184
                    }
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   185
                }
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   186
            } else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   187
                if (argv[i + 1]) {
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   188
                    if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1917
diff changeset
   189
                        scaleMode = SDL_TEXTURESCALEMODE_NONE;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   190
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   191
                    } else if (SDL_strcasecmp(argv[i + 1], "fast") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1917
diff changeset
   192
                        scaleMode = SDL_TEXTURESCALEMODE_FAST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   193
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   194
                    } else if (SDL_strcasecmp(argv[i + 1], "slow") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
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parents: 1917
diff changeset
   195
                        scaleMode = SDL_TEXTURESCALEMODE_SLOW;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   196
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   197
                    } else if (SDL_strcasecmp(argv[i + 1], "best") == 0) {
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
   198
                        scaleMode = SDL_TEXTURESCALEMODE_BEST;
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   199
                        consumed = 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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parents: 1916
diff changeset
   200
                    }
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   201
                }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   202
            } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   203
                cycle_color = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
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parents: 1965
diff changeset
   204
                consumed = 1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   205
            } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   206
                cycle_alpha = SDL_TRUE;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   207
                consumed = 1;
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   208
            } else if (SDL_isdigit(*argv[i])) {
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   209
                num_sprites = SDL_atoi(argv[i]);
c773b0c0ac89 Implemented blend modes in the D3D renderer
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parents: 1915
diff changeset
   210
                consumed = 1;
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   211
            }
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
Sam Lantinga <slouken@libsdl.org>
parents: 1914
diff changeset
   212
        }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   213
        if (consumed < 0) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   214
            fprintf(stderr,
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents: 1965
diff changeset
   215
                    "Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best] [--cyclecolor] [--cyclealpha]\n",
1916
c773b0c0ac89 Implemented blend modes in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1915
diff changeset
   216
                    argv[0], CommonUsage(state));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   217
            quit(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   218
        }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   219
        i += consumed;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   220
    }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   221
    if (!CommonInit(state)) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   222
        quit(2);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   223
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   224
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   225
    /* Create the windows, initialize the renderers, and load the textures */
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   226
    sprites =
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   227
        (SDL_TextureID *) SDL_malloc(state->num_windows * sizeof(*sprites));
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   228
    if (!sprites) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   229
        fprintf(stderr, "Out of memory!\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   230
        quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   231
    }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   232
    for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   233
        SDL_SelectRenderer(state->windows[i]);
2884
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Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
   234
        SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
   235
        SDL_RenderFill(NULL);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   236
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   237
    if (LoadSprite("icon.bmp") < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   238
        quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   239
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   240
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   241
    /* Allocate memory for the sprite info */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   242
    positions = (SDL_Rect *) SDL_malloc(num_sprites * sizeof(SDL_Rect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   243
    velocities = (SDL_Rect *) SDL_malloc(num_sprites * sizeof(SDL_Rect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   244
    if (!positions || !velocities) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   245
        fprintf(stderr, "Out of memory!\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   246
        quit(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   247
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   248
    srand(time(NULL));
1965
a788656ca29a SDL constants are all uppercase.
Sam Lantinga <slouken@libsdl.org>
parents: 1917
diff changeset
   249
    if (scaleMode != SDL_TEXTURESCALEMODE_NONE) {
1917
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   250
        sprite_w += sprite_w / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1916
diff changeset
   251
        sprite_h += sprite_h / 2;
3f54b3ec5a07 Implemented scaling in the D3D renderer
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   252
    }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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    for (i = 0; i < num_sprites; ++i) {
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051df511279c Added a test program framework for easy initialization.
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        positions[i].x = rand() % (state->window_w - sprite_w);
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   255
        positions[i].y = rand() % (state->window_h - sprite_h);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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        positions[i].w = sprite_w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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        positions[i].h = sprite_h;
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   258
        velocities[i].x = 0;
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   259
        velocities[i].y = 0;
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   260
        while (!velocities[i].x && !velocities[i].y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   261
            velocities[i].x = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
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   262
            velocities[i].y = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   263
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   264
    }
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parents:
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   265
1915
a228436a2404 Implemented multi-window OpenGL program with test framework.
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parents: 1914
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   266
    /* Main render loop */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   267
    frames = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   268
    then = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   269
    done = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   270
    while (!done) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   271
        /* Check for events */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   272
        ++frames;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   273
        while (SDL_PollEvent(&event)) {
1914
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   274
            CommonEvent(state, &event, &done);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   275
            switch (event.type) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   276
            case SDL_WINDOWEVENT:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   277
                switch (event.window.event) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   278
                case SDL_WINDOWEVENT_EXPOSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   279
                    SDL_SelectRenderer(event.window.windowID);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
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parents: 2834
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   280
                    SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2834
diff changeset
   281
                    SDL_RenderFill(NULL);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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   282
                    break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   283
                }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   284
                break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   285
            default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   286
                break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   287
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   288
        }
1914
051df511279c Added a test program framework for easy initialization.
Sam Lantinga <slouken@libsdl.org>
parents: 1907
diff changeset
   289
        for (i = 0; i < state->num_windows; ++i) {
051df511279c Added a test program framework for easy initialization.
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parents: 1907
diff changeset
   290
            MoveSprites(state->windows[i], sprites[i]);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   292
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   293
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   294
    /* Print out some timing information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   295
    now = SDL_GetTicks();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   296
    if (now > then) {
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2783
diff changeset
   297
        double fps = ((double) frames * 1000) / (now - then);
2783
e33ad7ebb7eb Fixed Direct3D rendering
Sam Lantinga <slouken@libsdl.org>
parents: 2222
diff changeset
   298
        printf("%2.2f frames per second\n", fps);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   299
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   300
    quit(0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
diff changeset
   302
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
/* vi: set ts=4 sw=4 expandtab: */