diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/pugl_gl3_demo.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/examples/pugl_gl3_demo.c b/examples/pugl_gl3_demo.c index 26db852..210d27f 100644 --- a/examples/pugl_gl3_demo.c +++ b/examples/pugl_gl3_demo.c @@ -108,9 +108,11 @@ onConfigure(PuglView* view, double width, double height) static void onExpose(PuglView* view) { - PuglTestApp* app = (PuglTestApp*)puglGetHandle(view); - const PuglRect frame = puglGetFrame(view); - const double time = puglGetTime(puglGetWorld(view)); + PuglTestApp* app = (PuglTestApp*)puglGetHandle(view); + const PuglRect frame = puglGetFrame(view); + const float width = (float)frame.width; + const float height = (float)frame.height; + const double time = puglGetTime(puglGetWorld(view)); // Construct projection matrix for 2D window surface (in pixels) mat4 proj; @@ -137,11 +139,11 @@ onExpose(PuglView* view) // Move rect around in an arbitrary way that looks cool rect->pos[0] = - (float)(frame.width - rect->size[0] + offset[0]) * + (float)(width - rect->size[0] + offset[0]) * (sinf((float)time * rect->size[0] / 64.0f + normal) + 1.0f) / 2.0f; rect->pos[1] = - (float)(frame.height - rect->size[1] + offset[1]) * + (float)(height - rect->size[1] + offset[1]) * (cosf((float)time * rect->size[1] / 64.0f + normal) + 1.0f) / 2.0f; } |