ho3/resources/shaders/directlight3.fragment
Vladislav Khorev 7fc9a5e5d6 light working
2024-06-09 21:42:23 +03:00

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uniform sampler2D Texture;
uniform sampler2D NormalMap;
uniform float FogBeginDistance;
uniform float FogEndDistance;
varying vec2 texCoord;
varying vec3 vertexPos;
varying vec3 normal;
varying vec3 absoluteVertexPos;
void main()
{
//vec3 norm = normalize(normal)*0.5 + vec3(0.5, 0.5, 0.5);
//gl_FragColor = vec4(norm, 1.0);
vec3 norm = normalize(normal);
vec3 lightPos = vec3(-2, 5, 0);
vec3 lightVec = absoluteVertexPos - lightPos;
float coef = max(dot(-normalize(lightVec),norm),0.2);
float coef2 = clamp((15.0 - length(lightVec))/10.0, 0.2, 1.0);
vec4 texColor = texture2D(NormalMap,texCoord).rgba;
gl_FragColor = vec4(texColor.rgb*coef2*coef, 1.0);
/*
//Night
//vec4 fogColor = vec4(0.25, 0.55, 1.0, 1.0);
vec4 fogColor = vec4(0.05, 0.05, 0.1, 1.0);
float fogDistCoef = (vertexPos.z - FogBeginDistance) / (FogEndDistance - FogBeginDistance);
fogDistCoef = clamp(fogDistCoef, 0.0, 1.0);
vec4 resultColor = mix(texColor*coef2, fogColor, fogDistCoef);
gl_FragColor = vec4(resultColor.rgb, 1.0);*/
}