// Called by camera to apply image effect
void OnRenderImage(RenderTexture source, RenderTexture destination)
{
angle += anglePerSecond * Time.deltaTime * Mathf.PI * 2;
flow.Update();
Vector3 p = new Vector3(center.position.x, center.position.y, center.position.z);
p = GetComponent <Camera> ().WorldToViewportPoint(p);
material.SetVector("_center", new Vector4(p.x, p.y, p.z, 0.0f));
material.SetVector("_x", new Vector4(offset.x, offset.y, angle, fade));
material.SetTexture("_Last", lastFrame);
material.SetTexture("_Flow", flow.texture);
material.SetVector("_Flow_ST", flow.scaleTranslate);
if (radial)
{
Shader.EnableKeyword("radial");
Shader.DisableKeyword("nradial");
}
else
{
Shader.EnableKeyword("nradial");
Shader.DisableKeyword("radial");
}
if (invertY)
{
Shader.EnableKeyword("invert");
Shader.DisableKeyword("ninvert");
}
else
{
Shader.EnableKeyword("ninvert");
Shader.DisableKeyword("invert");
}
if (merge == MergeType.Add)
{
Shader.EnableKeyword("madd");
Shader.DisableKeyword("mmul");
Shader.DisableKeyword("mlerp");
}
else if (merge == MergeType.Mul)
{
Shader.EnableKeyword("mmul");
Shader.DisableKeyword("madd");
Shader.DisableKeyword("mlerp");
}
else
{
Shader.EnableKeyword("mlerp");
Shader.DisableKeyword("mmul");
Shader.DisableKeyword("madd");
}
Graphics.Blit(source, destination, material);
}
// Called by camera to apply image effect
void OnRenderImage(RenderTexture source, RenderTexture destination)
{
if (accumTexture == null || accumTexture.width != source.width || accumTexture.height != source.height)
{
DestroyImmediate(accumTexture);
accumTexture = new RenderTexture(source.width, source.height, 0);
accumTexture.hideFlags = HideFlags.HideAndDontSave;
Graphics.Blit(source, accumTexture);
}
accumTexture.MarkRestoreExpected();
angle += anglePerSecond * Time.deltaTime;
flow.Update();
stop.Update();
Vector3 p = new Vector3(center.position.x, center.position.y, center.position.z);
p = GetComponent <Camera>().WorldToViewportPoint(p);
material.SetVector("_center", new Vector4(p.x, p.y, p.z, 0.0f));
material.SetVector("_x", new Vector4(offset.x, offset.y, angle, fade));
material.SetTexture("_Last", accumTexture);
material.SetTexture("_Flow", flow.texture);
material.SetVector("_Flow_ST", flow.scaleTranslate);
material.SetTexture("_Stop", stop.texture);
material.SetVector("_Stop_ST", stop.scaleTranslate);
if (radial)
{
Shader.EnableKeyword("radial");
Shader.DisableKeyword("nradial");
}
else
{
Shader.EnableKeyword("nradial");
Shader.DisableKeyword("radial");
}
Graphics.Blit(source, destination, material);
Graphics.Blit(destination, accumTexture);
}