public void activate(Shader shader, Drawable drawble)
{
GL.Uniform3(shader.sunDirection, ref pointingDirection);
GL.Uniform3(shader.sunColor, ref colorRgb);
GL.Uniform3(shader.lightAmbientLocation, ref lightAmbient);
GL.UniformMatrix4(shader.sunMatrix, false, ref shadowMatrix);
GL.UniformMatrix4(shader.sunInnerMatrix, false, ref innerShadowMatrix);
}
public override void activate(Shader shader, Drawable drawble)
{
GL.Uniform3(shader.sunDirection, ref pointingDirection);
GL.Uniform3(shader.sunColor, ref colorRgb);
shader.insertUniform(Shader.Uniform.in_lightambient, ref lightAmbient);
GL.UniformMatrix4(shader.sunMatrix, false, ref shadowMatrix);
GL.UniformMatrix4(shader.sunInnerMatrix, false, ref innerShadowMatrix);
}
public override bool frustrumCheck(Drawable drawable)
{
Vector4 vSpacePos = GenericMethods.Mult(new Vector4(drawable.Position, 1), modelviewProjectionMatrix);
float range = drawable.boundingSphere * 2f / widith;
if (float.IsNaN(range) || float.IsInfinity(range))
return false;
vSpacePos /= vSpacePos.W;
return (
vSpacePos.X < (1f + range) && vSpacePos.X > -(1f + range) &&
vSpacePos.Y < (1f + range) && vSpacePos.Y > -(1f + range) &&
vSpacePos.Z < (1f) && vSpacePos.Z > -(1f)
);
}
public virtual bool frustrumCheck(Drawable drawable)
{
Vector4 vSpacePos = GenericMethods.Mult(new Vector4(drawable.Position, 1), modelviewProjectionMatrix);
float range = drawable.boundingSphere;
float distToDrawAble = (position - drawable.Position).Length;
if (distToDrawAble < range * 1.5f)
return true;
if (distToDrawAble - range > zFar)
return false;
if(vSpacePos.W <= 0)
return false;
range /= vSpacePos.W * 0.6f;
if (float.IsNaN(range) || float.IsInfinity(range))
return false;
vSpacePos /= vSpacePos.W;
return (
vSpacePos.X < (1f + range) && vSpacePos.X > -(1f + range) &&
vSpacePos.Y < (1f + range * aspect) && vSpacePos.Y > -(1f + range * aspect)
);
}
internal void activate(Shader shader, int i, Drawable drawble)
{
int active = 0;
if (viewInfo.frustrumCheck(drawble))
{
GL.Uniform3(shader.lightLocationsLocation[i], ref position);
GL.Uniform3(shader.lightDirectionsLocation[i], ref pointingDirection);
GL.Uniform3(shader.lightColorsLocation[i], ref colorRgb);
GL.UniformMatrix4(shader.lightViewMatrixLocation[i], false, ref shadowMatrix);
GL.Uniform1(shader.lightTextureLocation[i], 1, ref ProjectionTexture);
active = 1;
}
GL.Uniform1(shader.lightActiveLocation[i], 1, ref active);
}
public virtual void activate(Shader shader, Drawable drawable)
{
}
public static int CompareByDistance(Drawable drawableA, Drawable drawableB)
{
return drawableA.distToCamera.CompareTo(drawableB.distToCamera);
}