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Fix directional lighting bug

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This commit is contained in:
Luke Benstead 2018-08-05 14:38:04 +01:00
parent 582a29d267
commit 85d4bb5ec3
1 changed files with 13 additions and 3 deletions
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16
GL/lighting.c
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@ -245,11 +245,21 @@ void calculateLightingContribution(const GLint light, const GLfloat* pos, const
LightSource* l = &LIGHTS[light]; LightSource* l = &LIGHTS[light];
struct vec3f L = { struct vec3f L = {
l->position[0] - pos[0], l->position[0],
l->position[1] - pos[1], l->position[1],
l->position[2] - pos[2] l->position[2]
}; };
if(l->is_directional) {
L.x *= -1.0f;
L.y *= -1.0f;
L.z *= -1.0f;
} else {
L.x -= pos[0];
L.y -= pos[1];
L.z -= pos[2];
}
struct vec3f N = { struct vec3f N = {
normal[0], normal[0],
normal[1], normal[1],