You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
810 B
29 lines
810 B
|
|
uniform sampler2D U_ShadowMap;
|
|
uniform sampler2D U_ProjectiveTexture;
|
|
uniform sampler2D U_MainTexture;
|
|
|
|
varying vec2 V_Texcoord;
|
|
varying vec3 V_WorldPos;
|
|
varying vec4 V_ProjectCoord;
|
|
varying vec4 V_ProjectorSpaceFragPos;
|
|
|
|
float CalculateShadow(){
|
|
vec3 fragPos = V_ProjectorSpaceFragPos.xyz / V_ProjectorSpaceFragPos.w;
|
|
fragPos = fragPos * 0.5 + vec3(0.5);
|
|
|
|
float depthInShadowMap = texture2D(U_ShadowMap, fragPos.xy).r;
|
|
float currentDepth = fragPos.z;
|
|
float shadow = (currentDepth - 0.001) > depthInShadowMap ? 1.0 : 0.0;
|
|
return shadow;
|
|
}
|
|
|
|
void main()
|
|
{
|
|
if(V_ProjectCoord.z > 0){
|
|
float shadow = CalculateShadow();
|
|
gl_FragColor = vec4(texture2D(U_MainTexture, V_Texcoord).rgb, textureProj(U_ProjectiveTexture, V_ProjectCoord).a);
|
|
} else {
|
|
gl_FragColor = texture2D(U_MainTexture, V_Texcoord);
|
|
}
|
|
}
|