mirror of https://github.com/minetest/minetest.git
52 lines
1.2 KiB
GLSL
52 lines
1.2 KiB
GLSL
|
|
uniform mat4 mWorldViewProj;
|
|
uniform mat4 mInvWorld;
|
|
uniform mat4 mTransWorld;
|
|
uniform float dayNightRatio;
|
|
|
|
varying vec3 vPosition;
|
|
|
|
void main(void)
|
|
{
|
|
gl_Position = mWorldViewProj * gl_Vertex;
|
|
|
|
vPosition = (mWorldViewProj * gl_Vertex).xyz;
|
|
|
|
vec4 color;
|
|
//color = vec4(1.0, 1.0, 1.0, 1.0);
|
|
|
|
float day = gl_Color.r;
|
|
float night = gl_Color.g;
|
|
float light_source = gl_Color.b;
|
|
|
|
/*color.r = mix(night, day, dayNightRatio);
|
|
color.g = color.r;
|
|
color.b = color.r;*/
|
|
|
|
float rg = mix(night, day, dayNightRatio);
|
|
rg += light_source * 1.0; // Make light sources brighter
|
|
float b = rg;
|
|
|
|
// Moonlight is blue
|
|
b += (day - night) / 13.0;
|
|
rg -= (day - night) / 13.0;
|
|
|
|
// Emphase blue a bit in darker places
|
|
// See C++ implementation in mapblock_mesh.cpp finalColorBlend()
|
|
b += max(0.0, (1.0 - abs(b - 0.13)/0.17) * 0.025);
|
|
|
|
// Artificial light is yellow-ish
|
|
// See C++ implementation in mapblock_mesh.cpp finalColorBlend()
|
|
rg += max(0.0, (1.0 - abs(rg - 0.85)/0.15) * 0.065);
|
|
|
|
color.r = rg;
|
|
color.g = rg;
|
|
color.b = b;
|
|
|
|
color.a = gl_Color.a;
|
|
|
|
gl_FrontColor = gl_BackColor = color;
|
|
|
|
gl_TexCoord[0] = gl_MultiTexCoord0;
|
|
}
|