ads.vert Example File

 #version 300 es

 in vec3 vertexPosition;
 in vec3 vertexNormal;

 out vec4 positionInLightSpace;
 out vec3 position;
 out vec3 normal;

 uniform mat4 lightViewProjection;
 uniform mat4 modelMatrix;
 uniform mat4 modelView;
 uniform mat3 modelViewNormal;
 uniform mat4 mvp;

 void main()
 {
     // positionInLightSpace = lightViewProjection * modelMatrix * vec4(vertexPosition, 1.0);
     const mat4 shadowMatrix = mat4(0.5, 0.0, 0.0, 0.0,
                                    0.0, 0.5, 0.0, 0.0,
                                    0.0, 0.0, 0.5, 0.0,
                                    0.5, 0.5, 0.5, 1.0);

     positionInLightSpace = shadowMatrix * lightViewProjection * modelMatrix * vec4(vertexPosition, 1.0);

     normal = normalize(modelViewNormal * vertexNormal);
     position = vec3(modelView * vec4(vertexPosition, 1.0));

     gl_Position = mvp * vec4(vertexPosition, 1.0);
 }