private void OnWillRenderObject()
{
if (!enabled || targetCamera == null || reflectionCamera == null)
{
return;
}
if (isRendering)
{
return;
}
isRendering = true;
GL.invertCulling = true;
RenderTexture.active = renderTexture;
SetCamera(targetCamera, reflectionCamera);
reflectionCamera.cullingMask = reflectionLayers;
reflectionCamera.targetTexture = renderTexture;
Vector3 position = transform.position;
Vector3 normal = transform.TransformDirection(reflectionNormal);
float offset = -Vector3.Dot(normal, position) - clipPlaneOffset;
Vector4 reflectionPlane = new Vector4(normal.x, normal.y, normal.z, offset);
Matrix4x4 reflectionMatrix = Matrix4x4.zero;
EZUtility.GetReflectionMatrix(reflectionPlane, ref reflectionMatrix);
reflectionCamera.worldToCameraMatrix = targetCamera.worldToCameraMatrix * reflectionMatrix;
Vector4 clipPlane = GetCameraSpacePlane(reflectionCamera, position, normal);
reflectionCamera.projectionMatrix = targetCamera.CalculateObliqueMatrix(clipPlane);
reflectionCamera.transform.position = reflectionMatrix.MultiplyPoint(targetCamera.transform.position);
Vector3 forward = reflectionMatrix.MultiplyVector(targetCamera.transform.forward);
Vector3 up = reflectionMatrix.MultiplyVector(targetCamera.transform.up);
reflectionCamera.transform.rotation = Quaternion.LookRotation(forward, up);
reflectionCamera.Render();
RenderTexture.active = null;
GL.invertCulling = false;
isRendering = false;
}
private void OnDrawGizmosSelected()
{
if (!enabled || targetCamera == null || reflectionCamera == null)
{
return;
}
if (targetCamera != null)
{
Gizmos.color = Color.grey;
EZUtility.DrawGizmosCameraFrustum(targetCamera);
}
if (reflectionCamera != null)
{
Gizmos.color = Color.green;
EZUtility.DrawGizmosCameraFrustum(reflectionCamera);
}
}
private void OnWillRenderObject()
{
if (!enabled)
{
return;
}
Camera targetCamera = Camera.current;
if (targetCamera == null)
{
return;
}
if (isRendering)
{
return;
}
isRendering = true;
Vector3 position = transform.position;
Vector3 normal = transform.TransformDirection(normalDirection);
if (refractionOn && refractionTexture != null)
{
material.SetTexture("_ReflectionTex", m_ReflectionTexture);
Camera refractionCamera = GetRenderCamera(m_RefractionCameras, targetCamera, TAG_REFRACTION);
SetCamera(targetCamera, refractionCamera);
refractionCamera.cullingMask = ~(1 << 4) & refractionLayers;
refractionCamera.targetTexture = refractionTexture;
RenderTexture.active = refractionTexture;
refractionCamera.worldToCameraMatrix = targetCamera.worldToCameraMatrix;
Vector4 clipPlane = GetCameraSpacePlane(refractionCamera, position, normal, -1);
refractionCamera.projectionMatrix = targetCamera.CalculateObliqueMatrix(clipPlane);
refractionCamera.cullingMatrix = targetCamera.projectionMatrix * targetCamera.worldToCameraMatrix;
refractionCamera.transform.position = targetCamera.transform.position;
refractionCamera.transform.rotation = targetCamera.transform.rotation;
refractionCamera.Render();
}
if (reflectionOn && reflectionTexture != null)
{
material.SetTexture("_RefractionTex", m_RefractionTexture);
Camera reflectionCamera = GetRenderCamera(m_ReflectionCameras, targetCamera, TAG_REFLECTION);
SetCamera(targetCamera, reflectionCamera);
reflectionCamera.cullingMask = ~(1 << 4) & reflectionLayers;
reflectionCamera.targetTexture = reflectionTexture;
RenderTexture.active = reflectionTexture;
float offset = -Vector3.Dot(normal, position) - clipPlaneOffset;
Vector4 reflectionPlane = new Vector4(normal.x, normal.y, normal.z, offset);
Matrix4x4 reflectionMatrix = Matrix4x4.zero;
EZUtility.GetReflectionMatrix(reflectionPlane, ref reflectionMatrix);
reflectionCamera.worldToCameraMatrix = targetCamera.worldToCameraMatrix * reflectionMatrix;
Vector4 clipPlane = GetCameraSpacePlane(reflectionCamera, position, normal);
reflectionCamera.projectionMatrix = targetCamera.CalculateObliqueMatrix(clipPlane);
reflectionCamera.cullingMatrix = targetCamera.projectionMatrix * targetCamera.worldToCameraMatrix;
GL.invertCulling = true;
reflectionCamera.transform.position = reflectionMatrix.MultiplyPoint(targetCamera.transform.position);
Vector3 forward = reflectionMatrix.MultiplyVector(targetCamera.transform.forward);
Vector3 up = reflectionMatrix.MultiplyVector(targetCamera.transform.up);
reflectionCamera.transform.rotation = Quaternion.LookRotation(forward, up);
reflectionCamera.Render();
reflectionCamera.transform.position = targetCamera.transform.position;
GL.invertCulling = false;
}
RenderTexture.active = null;
isRendering = false;
}
