josh/sdl-opengl-bare-d
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rotate quad based on time

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This commit is contained in:
Josh Holtrop 2013-02-02 21:50:50 -05:00
parent 3fbc5aa16d
commit 4425ba1c0b
1 changed files with 5 additions and 2 deletions
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7
sdl_opengl_bare.d
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@ -24,6 +24,8 @@ void display()
{ {
drawing = true; drawing = true;
glClear(GL_COLOR_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
glRotatef(SDL_GetTicks() * 90.0 / 1000, 0, 0, 1);
glBegin(GL_QUADS); glBegin(GL_QUADS);
glColor3f(1, 1, 1); glColor3f(1, 1, 1);
glVertex3f(5.0, 5.0, 0.0); glVertex3f(5.0, 5.0, 0.0);
@ -34,8 +36,9 @@ void display()
glColor3f(0, 1, 0); glColor3f(0, 1, 0);
glVertex3f(5.0, -5.0, 0.0); glVertex3f(5.0, -5.0, 0.0);
glEnd(); glEnd();
SDL_GL_SwapBuffers(); glPopMatrix();
drawing = false; drawing = false;
SDL_GL_SwapBuffers();
} }
extern (C) Uint32 timer_callback(Uint32 interval, void *param) extern (C) Uint32 timer_callback(Uint32 interval, void *param)
@ -73,7 +76,7 @@ int main(char[][] args)
init(); init();
SDL_Event event; SDL_Event event;
SDL_AddTimer(1000 / 50, &timer_callback, null); SDL_AddTimer(1000 / 60, &timer_callback, null);
while (SDL_WaitEvent(&event)) while (SDL_WaitEvent(&event))
{ {
if (event.type == SDL_QUIT) if (event.type == SDL_QUIT)