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Save projected vertex

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Abdelrahman Said 2024-07-14 23:28:41 +01:00
parent ade35f3940
commit b35a7d9cbe
1 changed files with 7 additions and 6 deletions
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13
src/rasteriser/rasteriser.c
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@ -124,13 +124,14 @@ internal void render_instance(window_t *wnd, const rasteriser_scene_t *scene,
} }
vec2i_t point = {0}; vec2i_t point = {0};
vertex_t *vp = NULL;
for (u64 i = 0; i < transformed->count; ++i) { for (u64 i = 0; i < transformed->count; ++i) {
vertex = list_get(transformed, i); vp = &(list_get(transformed, i));
vertex.position = mul_mat3x4f_by_vec4f( vp->position = mul_mat3x4f_by_vec4f(
projection_matrix, (vec4f_t){vertex.position.x, vertex.position.y, projection_matrix,
vertex.position.z, 1.0f}); (vec4f_t){vp->position.x, vp->position.y, vp->position.z, 1.0f});
point = (vec2i_t){(i32)(vertex.position.x / vertex.position.z), point = (vec2i_t){(i32)(vp->position.x / vp->position.z),
(i32)(vertex.position.y / vertex.position.z)}; (i32)(vp->position.y / vp->position.z)};
list_append(vec2i_t, arena, projected, point); list_append(vec2i_t, arena, projected, point);
} }