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Use specular factor of bumpspec map (alpha channel) to modulate reflection factor

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Frederic Bouvier 2010-09-21 09:17:07 +02:00
parent d734e32bd5
commit ee8d70b3bf
2 changed files with 6 additions and 6 deletions
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8
Shaders/reflect-bump-spec.frag
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@ -39,9 +39,9 @@ void main (void)
float NdotL, NdotHV; float NdotL, NdotHV;
vec4 color = constantColor; vec4 color = constantColor;
vec4 specular = vec4(0.0); vec4 specular = vec4(0.0);
vec4 ns = texture2D(NormalTex, gl_TexCoord[0].st); vec4 ns = texture2D(NormalTex, gl_TexCoord[0].st);
vec3 n = ns.rgb * 2.0 - 1.0; vec3 n = ns.rgb * 2.0 - 1.0;
n = normalize(n.x * VTangent + n.y * VBinormal + n.z * VNormal); n = normalize(n.x * VTangent + n.y * VBinormal + n.z * VNormal);
NdotL = max(0.0, dot(n, lightDir)); NdotL = max(0.0, dot(n, lightDir));
// calculate the specular light // calculate the specular light
@ -97,7 +97,7 @@ void main (void)
reflFactor = (gl_FrontMaterial.shininess / 128) + transparency_offset; reflFactor = (gl_FrontMaterial.shininess / 128) + transparency_offset;
} }
reflFactor = clamp(reflFactor, 0.0, 1.0); reflFactor = clamp(reflFactor, 0.0, 1.0) * ns.a;
// set ambient adjustment to remove bluiness with user input // set ambient adjustment to remove bluiness with user input
float ambient_offset = clamp(ambient_correction, -1.0, 1.0); float ambient_offset = clamp(ambient_correction, -1.0, 1.0);

4
Shaders/reflect-bump-spec.vert
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@ -5,8 +5,8 @@
varying vec4 rawpos; varying vec4 rawpos;
varying vec4 ecPosition; varying vec4 ecPosition;
varying vec3 VNormal; varying vec3 VNormal;
varying vec3 VTangent;////////////// varying vec3 VTangent;
varying vec3 VBinormal;///////////// varying vec3 VBinormal;
varying vec3 Normal; varying vec3 Normal;
varying vec4 constantColor; varying vec4 constantColor;
varying vec3 vViewVec; varying vec3 vViewVec;