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Fix directional lights

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This commit is contained in:
Luke Benstead 2020-02-21 14:51:05 +00:00
parent 497ba28b4c
commit 7fecb7a3a5
1 changed files with 5 additions and 3 deletions
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8
GL/lighting.c
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@ -401,6 +401,7 @@ void _glPerformLighting(Vertex* vertices, const EyeSpaceData* es, const int32_t
vertex->bgra[B8IDX] = (uint8_t)(_MIN(base * 255.0f, 255.0f)); vertex->bgra[B8IDX] = (uint8_t)(_MIN(base * 255.0f, 255.0f));
vertex->bgra[A8IDX] = (uint8_t)(_MIN(MATERIAL.diffuse[3] * 255.0f, 255.0f)); vertex->bgra[A8IDX] = (uint8_t)(_MIN(MATERIAL.diffuse[3] * 255.0f, 255.0f));
/* Direction to vertex in eye space */
float Vx = -data->xyz[0]; float Vx = -data->xyz[0];
float Vy = -data->xyz[1]; float Vy = -data->xyz[1];
float Vz = -data->xyz[2]; float Vz = -data->xyz[2];
@ -417,9 +418,10 @@ void _glPerformLighting(Vertex* vertices, const EyeSpaceData* es, const int32_t
float Lx = -LIGHTS[i].position[0]; float Lx = -LIGHTS[i].position[0];
float Ly = -LIGHTS[i].position[1]; float Ly = -LIGHTS[i].position[1];
float Lz = -LIGHTS[i].position[2]; float Lz = -LIGHTS[i].position[2];
float Hx = (Lx + Vx);
float Hy = (Ly + Vy); float Hx = (Lx + 0);
float Hz = (Lz + Vz); float Hy = (Ly + 0);
float Hz = (Lz + 1);
vec3f_normalize(Lx, Ly, Lz); vec3f_normalize(Lx, Ly, Lz);
vec3f_normalize(Hx, Hy, Hz); vec3f_normalize(Hx, Hy, Hz);