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early-access version 2281

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This commit is contained in:
pineappleEA
2021-12-07 02:20:09 +01:00
parent c2ae6d480a
commit c4fa174d53
591 changed files with 36978 additions and 18653 deletions
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38
externals/SDL/Xcode-iOS/Demos/src/touch.c vendored
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@@ -21,7 +21,7 @@ void
drawLine(SDL_Renderer *renderer, float startx, float starty, float dx, float dy)
{
float distance = sqrt(dx * dx + dy * dy); /* length of line segment (pythagoras) */
float distance = SDL_sqrt(dx * dx + dy * dy); /* length of line segment (pythagoras) */
int iterations = distance / PIXELS_PER_ITERATION + 1; /* number of brush sprites to draw for the line */
float dx_prime = dx / iterations; /* x-shift per iteration */
float dy_prime = dy / iterations; /* y-shift per iteration */
@@ -81,6 +81,7 @@ main(int argc, char *argv[])
SDL_Event event;
SDL_Window *window; /* main window */
SDL_Renderer *renderer;
SDL_Texture *target;
int done; /* does user want to quit? */
int w, h;
@@ -100,29 +101,38 @@ main(int argc, char *argv[])
initializeTexture(renderer);
/* fill canvass initially with all black */
target = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, w, h);
SDL_SetRenderTarget(renderer, target);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
SDL_RenderPresent(renderer);
SDL_SetRenderTarget(renderer, NULL);
done = 0;
while (!done && SDL_WaitEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
done = 1;
break;
case SDL_MOUSEMOTION:
state = SDL_GetMouseState(&x, &y); /* get its location */
SDL_GetRelativeMouseState(&dx, &dy); /* find how much the mouse moved */
if (state & SDL_BUTTON_LMASK) { /* is the mouse (touch) down? */
drawLine(renderer, x - dx, y - dy, dx, dy); /* draw line segment */
SDL_RenderPresent(renderer);
while (!done) {
while (SDL_PollEvent(&event) == 1) {
switch (event.type) {
case SDL_QUIT:
done = 1;
break;
case SDL_MOUSEMOTION:
state = SDL_GetMouseState(&x, &y); /* get its location */
SDL_GetRelativeMouseState(&dx, &dy); /* find how much the mouse moved */
if (state & SDL_BUTTON_LMASK) { /* is the mouse (touch) down? */
SDL_SetRenderTarget(renderer, target);
drawLine(renderer, x - dx, y - dy, dx, dy); /* draw line segment */
SDL_SetRenderTarget(renderer, NULL);
}
break;
}
break;
}
SDL_RenderCopy(renderer, target, NULL, NULL);
SDL_RenderPresent(renderer);
}
/* cleanup */
SDL_DestroyTexture(brush);
SDL_DestroyTexture(target);
SDL_Quit();
return 0;