SangeFault/assets/minecraft/shaders/include/fog.glsl
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 a50683c84e Updated to 1.18.1 Vanilla Assets
basically starting over... this is gonna be fun!
2022-01-20 17:44:06 +01:00

26 lines
875 B
GLSL

#version 150
vec4 linear_fog(vec4 inColor, float vertexDistance, float fogStart, float fogEnd, vec4 fogColor) {
if (vertexDistance <= fogStart) {
return inColor;
}
float fogValue = vertexDistance < fogEnd ? smoothstep(fogStart, fogEnd, vertexDistance) : 1.0;
return vec4(mix(inColor.rgb, fogColor.rgb, fogValue * fogColor.a), inColor.a);
}
float linear_fog_fade(float vertexDistance, float fogStart, float fogEnd) {
if (vertexDistance <= fogStart) {
return 1.0;
} else if (vertexDistance >= fogEnd) {
return 0.0;
}
return smoothstep(fogEnd, fogStart, vertexDistance);
}
float cylindrical_distance(mat4 modelViewMat, vec3 pos) {
float distXZ = length((modelViewMat * vec4(pos.x, 0.0, pos.z, 1.0)).xyz);
float distY = length((modelViewMat * vec4(0.0, pos.y, 0.0, 1.0)).xyz);
return max(distXZ, distY);
}