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Make fogColor in the fog tutorial a parameter (#5672)

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* uniform fogColor

fogColor is now a parameter

* use new fog color parameter

* convert ambient to Vector4
This commit is contained in:
devel
2026-03-19 18:17:27 -04:00
committed by GitHub
parent da9e881092
commit 7fef65a3fe
2 changed files with 7 additions and 5 deletions
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5
examples/shaders/resources/shaders/glsl330/fog.fs
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@@ -37,6 +37,7 @@ struct Light {
uniform Light lights[MAX_LIGHTS];
uniform vec4 ambient;
uniform vec3 viewPos;
uniform vec4 fogColor;
uniform float fogDensity;
void main()
@@ -77,10 +78,6 @@ void main()
// Fog calculation
float dist = length(viewPos - fragPosition);
// these could be parameters...
const vec4 fogColor = vec4(0.5, 0.5, 0.5, 1.0);
//const float fogDensity = 0.16;
// Exponential fog
float fogFactor = 1.0/exp((dist*fogDensity)*(dist*fogDensity));

7
examples/shaders/shaders_fog_rendering.c
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@@ -72,8 +72,13 @@ int main(void)
shader.locs[SHADER_LOC_VECTOR_VIEW] = GetShaderLocation(shader, "viewPos");
// Ambient light level
Vector4 ambient = (Vector4){ 0.2f, 0.2f, 0.2f, 1.0f };
int ambientLoc = GetShaderLocation(shader, "ambient");
SetShaderValue(shader, ambientLoc, (float[4]){ 0.2f, 0.2f, 0.2f, 1.0f }, SHADER_UNIFORM_VEC4);
SetShaderValue(shader, ambientLoc, &ambient, SHADER_UNIFORM_VEC4);
Vector4 fogColor = ColorNormalize(GRAY);
int fogColorLoc = GetShaderLocation(shader, "fogColor");
SetShaderValue(shader, fogColorLoc, &fogColor, SHADER_UNIFORM_VEC4);
float fogDensity = 0.15f;
int fogDensityLoc = GetShaderLocation(shader, "fogDensity");