Lucas de Vries
55 lines
1.4 KiB
Plaintext
55 lines
1.4 KiB
Plaintext
#version 120
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const int nLightCount = 2;
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//Masks: R = Glow, G = Owner Color, B = Engine Glow
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uniform sampler2D normalMap;
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uniform vec4 ownerColor;
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uniform vec3 glowColor;
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uniform float thrust;
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uniform mat3 invView;
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uniform float camDist;
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uniform float nodeScale;
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varying vec3 forward, right;
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varying vec3 normal, binormal, tangent;
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varying vec3 npos;
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varying vec2 uv;
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vec3 light[nLightCount];
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float dist[nLightCount];
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vec2 skyboxSample(vec3 dir) {
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float x = dot(dir, forward);
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float z = dot(dir, right);
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float y = dot(dir, cross(forward,right));
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return vec2(atan(-x,z) / 6.28318530718, (y + 1.0) * 0.5);
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}
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float mixRange(float x, float low, float hi) {
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return clamp((x - low) / (hi - low), 0.0, 1.0);
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}
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vec3 blackBody(float temp) {
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vec3 c;
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c.r = mix(1.0, 0.6234, mixRange(temp, 6400.0, 29800.0));
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c.b = mix(0.0, 1.0, mixRange(temp, 2800.0, 7600.0));
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if(temp < 6600.0)
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c.g = mix(0.22, 0.976, mixRange(temp, 1000.0, 6600.0));
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else
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c.g = mix(0.976, 0.75, mixRange(temp, 6600.0, 29800.0));
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return c;
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}
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void main() {
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vec3 normMap = (texture2D(normalMap, uv.xy).xyz * 2.0) - vec3(1.0);
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float ao = (length(normMap) - 0.5) * 2.0;
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vec3 n = normalize(normal) * normMap.z;
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n += normalize(binormal) * normMap.y;
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n += normalize(tangent) * normMap.x;
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n = normalize(n);
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gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0 - dot(normalize(npos),n));
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}
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