overte/interface/resources/shaders/metavoxel_heightfield.frag
2014-07-29 16:06:35 -07:00

25 lines
762 B
GLSL

#version 120
//
// metavoxel_heightfield.frag
// fragment shader
//
// Created by Andrzej Kapolka on 7/28/14.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
// the diffuse texture
uniform sampler2D diffuseMap;
// the interpolated normal
varying vec4 normal;
void main(void) {
// compute the base color based on OpenGL lighting model
vec4 base = gl_Color * (gl_FrontLightModelProduct.sceneColor + gl_FrontLightProduct[0].ambient +
gl_FrontLightProduct[0].diffuse * max(0.0, dot(normalize(normal), gl_LightSource[0].position)));
gl_FragColor = base * texture2D(diffuseMap, gl_TexCoord[0].st);
}