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varying vec3 normal;
#ifdef SHADOW_LIGHT0
varying vec4 shadowTexCoord0;
varying vec4 diffuse,ambientGlobal, ambient;
varying vec3 lightDir,halfVector;
varying float dist;
#endif
#ifdef SHADOW_LIGHT1
varying vec4 shadowTexCoord1;
varying vec4 diffuse1,ambientGlobal1, ambient1;
varying vec3 lightDir1,halfVector1;
varying float dist1;
#endif
void main()
{
vec4 ecPos;
vec3 aux;
/* first transform the normal into eye space and normalize the result */
normal = normalize(gl_NormalMatrix * gl_Normal);
/* now normalize the light's direction. Note that according to the
OpenGL specification, the light is stored in eye space.*/
ecPos = gl_ModelViewMatrix * gl_Vertex;
#ifdef SHADOW_LIGHT0
aux = vec3(gl_LightSource[0].position-ecPos);
lightDir = /*normalize*/(aux);
/* compute the distance to the light source to a varying variable*/
dist = length(aux);
/* Normalize the halfVector to pass it to the fragment shader */
halfVector = normalize(gl_LightSource[0].halfVector.xyz);
/* Compute the diffuse, ambient and globalAmbient terms */
diffuse = gl_FrontMaterial.diffuse * gl_LightSource[0].diffuse;
ambient = gl_FrontMaterial.ambient * gl_LightSource[0].ambient;
ambientGlobal = gl_LightModel.ambient * gl_FrontMaterial.ambient;
shadowTexCoord0 = gl_TextureMatrix[0] * gl_ModelViewMatrix * gl_Vertex;
#endif
///////////////////
#ifdef SHADOW_LIGHT1
/* now normalize the light's direction. Note that according to the
OpenGL specification, the light is stored in eye space.*/
aux = vec3(gl_LightSource[1].position-ecPos);
lightDir1 = /*normalize*/(aux);
/* compute the distance to the light source to a varying variable*/
dist1 = length(aux);
/* Normalize the halfVector to pass it to the fragment shader */
halfVector1 = normalize(gl_LightSource[1].halfVector.xyz);
/* Compute the diffuse, ambient and globalAmbient terms */
diffuse1 = gl_FrontMaterial.diffuse * gl_LightSource[1].diffuse;
ambient1 = gl_FrontMaterial.ambient * gl_LightSource[1].ambient;
ambientGlobal1 = gl_LightModel.ambient * gl_FrontMaterial.ambient;
shadowTexCoord1 = gl_TextureMatrix[1] * gl_ModelViewMatrix * gl_Vertex;
#endif
//////
gl_Position = ftransform();
gl_FrontColor = gl_FrontMaterial.diffuse;
gl_BackColor = gl_BackMaterial.diffuse;
}
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