{"id":2275,"date":"2020-09-04T14:55:03","date_gmt":"2020-09-04T06:55:03","guid":{"rendered":"http:\/\/blog.coolcoding.cn\/?p=2275"},"modified":"2020-09-04T14:56:55","modified_gmt":"2020-09-04T06:56:55","slug":"%e5%9c%b0%e8%a1%a8%e9%81%ae%e7%bd%a9","status":"publish","type":"post","link":"https:\/\/blog.coolcoding.cn\/?p=2275","title":{"rendered":"[UnityShader]\u5730\u8868\u906e\u7f69\u5b9e\u73b0"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

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camera.transform.position.xz = (R1-R0)\/2;
camera.transform.position.y = 100;
camera.orthographic=true;
camera.aspect = (R1.x-R0.x)\/(R1.y-R0.y);
camera.farClipPlane = 200;
camera.transform.localRotation = Quaternion.Euler(90,0,0);
camera.clearFlags = CameraClearFlags.Color;
camera.backgroundColor = Color.clear;
camera.cullingMask = XXXX;
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Shader.SetGlobalVector(“Offset”, new Vector4(R0.x, R0.y, R1.x-R0.x, R1.y-R0.y);<\/p>\n\n\n\n

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half uv_x = ( wpos.x –  Offset.x ) \/  Offset .z;        
half uv_y = ( wpos.z –  Offset .y ) \/  Offset .w;        
fixed4 maskColor = tex2D(MaskTes, half2(uv_x, uv_y)); <\/p>\n\n\n\n

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