You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

101 lines
2.8 KiB

using UnityEngine;
using UnityEngine.UI;
namespace UC
{
[ExecuteInEditMode]
[RequireComponent(typeof(Camera))]
[AddComponentMenu("Image Effects/Homography")]
public class ScreenHomography : MonoBehaviour
{
public Color color;
[Range(0.0f, 1.0f)]
public float amount = 0f;
[SerializeField]
private Shader m_Shader;
public Shader shader
{
get
{
if (m_Shader == null)
m_Shader = Shader.Find("Hidden/ScreenHomography");
return m_Shader;
}
}
#if false
public Vector2 resolution;
public Texture cornerTexture;
#endif
private Material m_Material;
public Material material
{
get
{
if (m_Material == null)
m_Material = ImageEffectHelper.CheckShaderAndCreateMaterial(shader);
return m_Material;
}
}
private void OnEnable()
{
if (!ImageEffectHelper.IsSupported(shader, true, false, this))
enabled = false;
GetComponent<Camera>().depthTextureMode = DepthTextureMode.DepthNormals;
}
private void OnDisable()
{
if (m_Material != null)
DestroyImmediate(m_Material);
m_Material = null;
}
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
material.SetColor("blend_color", color);
material.SetFloat("amount", amount);
Graphics.Blit(source, destination, material);
}
#if false
GameObject obj = null;
void Awake()
{
if (Application.isPlaying)
{
var camera = GetComponent<Camera>();
obj = new GameObject();
obj.transform.parent = transform;
obj.name = "Homography";
obj.AddComponent<RectTransform>();
var canvas = obj.AddComponent<Canvas>();
canvas.renderMode = RenderMode.ScreenSpaceOverlay;
canvas.targetDisplay = camera.targetDisplay;
obj.AddComponent<GraphicRaycaster>();
obj.AddComponent<CanvasGroup>();
var homo = obj.AddComponent<DoHomography>();
homo.homography = this;
homo.resolution = resolution;
homo.cornerTexture = cornerTexture;
homo.reset = true;
}
}
void OnDestroy()
{
if (obj != null)
{
if (Application.isEditor)
Object.DestroyImmediate(obj);
else
Object.Destroy(obj);
}
}
#endif
}
}