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Diffuse lighting.

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This commit is contained in:
Andrzej Kapolka 2013-12-12 16:19:05 -08:00
parent 4a7efa5ef9
commit c003a55c37
2 changed files with 7 additions and 4 deletions
interface/resources/shaders
metavoxel_point.vert
libraries/metavoxels/src
AttributeRegistry.cpp

9
interface/resources/shaders/metavoxel_point.vert
View file

@ -12,11 +12,14 @@ uniform float pointScale;
void main(void) {
// pass along the vertex color
gl_FrontColor = gl_Color;
// standard diffuse lighting
gl_FrontColor = vec4(gl_Color.rgb * (gl_LightModel.ambient.rgb + gl_LightSource[0].ambient.rgb +
gl_LightSource[0].diffuse.rgb * max(0.0, dot(gl_NormalMatrix * gl_Normal, gl_LightSource[0].position.xyz))),
gl_Color.a);
// extract the first four components of the vertex for position
// extract the first three components of the vertex for position
gl_Position = gl_ModelViewProjectionMatrix * vec4(gl_Vertex.xyz, 1.0);
// the final component is the size in world space
gl_PointSize = pointScale * gl_Vertex.w / gl_Position.w;
}

2
libraries/metavoxels/src/AttributeRegistry.cpp
View file

@ -12,7 +12,7 @@ AttributeRegistry AttributeRegistry::_instance;
AttributeRegistry::AttributeRegistry() :
_colorAttribute(registerAttribute(new QRgbAttribute("color"))),
_normalAttribute(registerAttribute(new QRgbAttribute("normal"))) {
_normalAttribute(registerAttribute(new QRgbAttribute("normal", qRgb(0, 127, 0)))) {
}
AttributePointer AttributeRegistry::registerAttribute(AttributePointer attribute) {