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examples/renderer/10-geometry: Fixes and cleanups.

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Ryan C. Gordon 2024-09-22 01:15:19 -04:00
parent 0758b2a0c4
commit 37d62deca1
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1 changed files with 2 additions and 10 deletions
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12
examples/renderer/10-geometry/geometry.c
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@ -84,6 +84,7 @@ SDL_AppResult SDL_AppIterate(void *appstate)
const float size = 200.0f + (200.0f * scale);
SDL_Vertex vertices[4];
int i;
/* as you can see from this, rendering draws over whatever was drawn before it. */
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); /* black, full alpha */
@ -105,15 +106,6 @@ SDL_AppResult SDL_AppIterate(void *appstate)
vertices[2].color.b = 1.0f;
vertices[2].color.a = 1.0f;
#if 0
typedef struct SDL_Vertex
{
SDL_FPoint position; /**< Vertex position, in SDL_Renderer coordinates */
SDL_FColor color; /**< Vertex color */
SDL_FPoint tex_coord; /**< Normalized texture coordinates, if needed */
} SDL_Vertex;
#endif
SDL_RenderGeometry(renderer, NULL, vertices, 3, NULL, 0);
/* you can also map a texture to the geometry! Texture coordinates go from 0.0f to 1.0f. That will be the location
@ -140,7 +132,7 @@ typedef struct SDL_Vertex
using indices, to get the whole thing on the screen: */
/* Let's just move this over so it doesn't overlap... */
for (int i = 0; i < 3; i++) {
for (i = 0; i < 3; i++) {
vertices[i].position.x += 450;
}