18 lines
471 B
C#

// Implements Edge Detection using a Roberts cross filter.
using UnityEngine;
[ExecuteInEditMode]
[AddComponentMenu("Image Effects/Edge Detection (Color)")]
public class EdgeDetectEffect : ImageEffectBase
{
public float threshold = 0.2F;
// Called by camera to apply image effect
void OnRenderImage (RenderTexture source, RenderTexture destination)
{
material.SetFloat ("_Treshold", threshold * threshold);
Graphics.Blit (source, destination, material);
}
}