private void CameraPreCull(Camera camera)
{
if (!gameObject.activeInHierarchy || WeatherMakerCommandBufferManagerScript.CameraStackCount > 1 || WeatherMakerScript.ShouldIgnoreCamera(this, camera, true))
{
return;
}
RenderReflection();
}
private void CameraPreCull(Camera camera)
{
if (!gameObject.activeInHierarchy || WeatherMakerCommandBufferManagerScript.CameraStack > 1 || WeatherMakerScript.ShouldIgnoreCamera(this, camera, true))
{
return;
}
if (!RequestRefresh(Time.renderedFrameCount))
{
return; //skip if not need to refresh on this frame
}
CreateWaterObjects(_camViewpoint);
if (!_camReflections)
{
return;
}
// find out the reflection plane: position and normal in world space
Vector3 planePos = OceanRenderer.Instance.transform.position;
Vector3 planeNormal = Vector3.up;
// Optionally disable pixel lights for reflection/refraction
int oldPixelLightCount = QualitySettings.pixelLightCount;
if (_disablePixelLights)
{
QualitySettings.pixelLightCount = 0;
}
UpdateCameraModes(_camViewpoint, _camReflections);
// Reflect camera around reflection plane
float d = -Vector3.Dot(planeNormal, planePos) - _clipPlaneOffset;
Vector4 reflectionPlane = new Vector4(planeNormal.x, planeNormal.y, planeNormal.z, d);
Matrix4x4 reflection = Matrix4x4.zero;
CalculateReflectionMatrix(ref reflection, reflectionPlane);
Vector3 newpos = reflection.MultiplyPoint(_camViewpoint.transform.position);
_camReflections.worldToCameraMatrix = _camViewpoint.worldToCameraMatrix * reflection;
// Setup oblique projection matrix so that near plane is our reflection
// plane. This way we clip everything below/above it for free.
Vector4 clipPlane = CameraSpacePlane(_camReflections, planePos, planeNormal, 1.0f);
_camReflections.projectionMatrix = _camViewpoint.CalculateObliqueMatrix(clipPlane);
// Set custom culling matrix from the current camera
_camReflections.cullingMatrix = _camViewpoint.projectionMatrix * _camViewpoint.worldToCameraMatrix;
_camReflections.targetTexture = _reflectionTexture;
// Invert culling because view is mirrored
bool oldCulling = GL.invertCulling;
GL.invertCulling = !oldCulling;
_camReflections.transform.position = newpos;
Vector3 euler = _camViewpoint.transform.eulerAngles;
_camReflections.transform.eulerAngles = new Vector3(-euler.x, euler.y, euler.z);
_camReflections.cullingMatrix = _camReflections.projectionMatrix * _camReflections.worldToCameraMatrix;
ForceDistanceCulling(_farClipPlane);
if (WeatherMakerCommandBufferManagerScript.Instance != null)
{
WeatherMakerCommandBufferManagerScript.Instance.RenderCamera(_camReflections);
}
GL.invertCulling = oldCulling;
// Restore pixel light count
if (_disablePixelLights)
{
QualitySettings.pixelLightCount = oldPixelLightCount;
}
Refreshed(Time.renderedFrameCount); //remember this frame as last refreshed
}