40 lines
1.0 KiB
C#
40 lines
1.0 KiB
C#
//////////////////////////////////////////////////////
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// MicroSplat
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// Copyright (c) Jason Booth
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//////////////////////////////////////////////////////
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace JBooth.MicroSplat
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{
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public class MicroSplatRuntimeUtil
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{
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// convert to/from regular UVs to terrain UVs, which are expressed in units per tile instead of tiles per terrain
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public static Vector2 UnityUVScaleToUVScale(Vector2 uv, Terrain t)
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{
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float w = t.terrainData.size.x;
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float h = t.terrainData.size.z;
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uv.x = 1.0f / (uv.x / w);
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uv.y = 1.0f / (uv.y / h);
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return uv;
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}
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public static Vector2 UVScaleToUnityUVScale(Vector2 uv, Terrain t)
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{
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float w = t.terrainData.size.x;
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float h = t.terrainData.size.z;
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if (uv.x < 0)
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uv.x = 0.001f;
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if (uv.y < 0)
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uv.y = 0.001f;
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uv.x = w/uv.x;
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uv.y = h/uv.y;
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return uv;
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}
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}
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}
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