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| author | Weblate <42@minetest.ru> | 2013-05-01 15:33:15 +0200 |
|---|---|---|
| committer | Weblate <42@minetest.ru> | 2013-05-01 15:33:15 +0200 |
| commit | 97cddd1b960e3b60ce74ff9ad16307b39676144e (patch) | |
| tree | 0547ab284acc0fdf8aad2a36643be6f78f786ef1 /client/shaders/test_shader_3/opengl_vertex.glsl | |
| parent | f1f2004cb9efb026625b192b404064c26ceb6d5f (diff) | |
| parent | 898a4e441fc0245aaf4821ff5e3dad0daccda3b5 (diff) | |
| download | minetest-97cddd1b960e3b60ce74ff9ad16307b39676144e.tar.gz minetest-97cddd1b960e3b60ce74ff9ad16307b39676144e.tar.bz2 minetest-97cddd1b960e3b60ce74ff9ad16307b39676144e.zip | |
Merge remote-tracking branch 'origin/master'
Diffstat (limited to 'client/shaders/test_shader_3/opengl_vertex.glsl')
| -rw-r--r-- | client/shaders/test_shader_3/opengl_vertex.glsl | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/client/shaders/test_shader_3/opengl_vertex.glsl b/client/shaders/test_shader_3/opengl_vertex.glsl new file mode 100644 index 000000000..2881bad21 --- /dev/null +++ b/client/shaders/test_shader_3/opengl_vertex.glsl @@ -0,0 +1,51 @@ +
+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;
+}
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