public static Color GetColorBilinear(GTextureNativeDataDescriptor <Color32> tex, ref Vector2 uv)
{
Vector2 pixelCoord = new Vector2(
Mathf.Lerp(0, tex.width - 1, uv.x),
Mathf.Lerp(0, tex.height - 1, uv.y));
//apply a bilinear filter
int xFloor = Mathf.FloorToInt(pixelCoord.x);
int xCeil = Mathf.CeilToInt(pixelCoord.x);
int yFloor = Mathf.FloorToInt(pixelCoord.y);
int yCeil = Mathf.CeilToInt(pixelCoord.y);
Color f00 = tex.data[To1DIndex(ref xFloor, ref yFloor, ref tex.width)];
Color f01 = tex.data[To1DIndex(ref xFloor, ref yCeil, ref tex.width)];
Color f10 = tex.data[To1DIndex(ref xCeil, ref yFloor, ref tex.width)];
Color f11 = tex.data[To1DIndex(ref xCeil, ref yCeil, ref tex.width)];
Vector2 unitCoord = new Vector2(
pixelCoord.x - xFloor,
pixelCoord.y - yFloor);
Color color =
f00 * (1 - unitCoord.x) * (1 - unitCoord.y) +
f01 * (1 - unitCoord.x) * unitCoord.y +
f10 * unitCoord.x * (1 - unitCoord.y) +
f11 * unitCoord.x * unitCoord.y;
return(color);
}
internal GCreateVertexJob GetCreateVertexJob(
int meshBaseResolution,
int meshResolution,
int lod,
int displacementSeed,
float displacementStrength,
bool smoothNormal,
bool useSmoothNormalMask,
GTextureNativeDataDescriptor <Color32> maskMap,
GAlbedoToVertexColorMode albedoToVertexColor,
GTextureNativeDataDescriptor <Color32> albedoMap,
GTextureNativeDataDescriptor <Color32>[] hm)
{
InitMeshDataNativeContainers(albedoToVertexColor);
Vector3 terrainSize = Terrain.TerrainData.Geometry.Size;
Rect uvRect = GetUvRange();
float texelSize = 1.0f / Terrain.TerrainData.Geometry.HeightMapResolution;
GCreateVertexJob job = new GCreateVertexJob()
{
nodes = subdivNodeNativeArray,
creationState = subdivNodeCreationState,
hmC = hm[4],
hmL = hm[3],
hmT = hm[7],
hmR = hm[5],
hmB = hm[1],
hmBL = hm[0],
hmTL = hm[6],
hmTR = hm[8],
hmBR = hm[2],
vertices = vertexNativeArray,
uvs = uvsNativeArray,
normals = normalsNativeArray,
triangles = trianglesNativeArray,
colors = vertexColorsNativeArray,
metadata = generationMetadata,
meshBaseResolution = meshBaseResolution,
meshResolution = meshResolution,
lod = lod,
displacementSeed = displacementSeed,
displacementStrength = displacementStrength,
smoothNormal = smoothNormal,
useSmoothNormalMask = useSmoothNormalMask,
albedoToVertexColorMode = albedoToVertexColor,
albedoMap = albedoMap,
maskMap = maskMap,
terrainSize = terrainSize,
chunkUvRect = uvRect,
chunkLocalPosition = transform.localPosition,
texelSize = texelSize
};
return(job);
}
public static Color GetColorPoint(GTextureNativeDataDescriptor <Color32> tex, Vector2 uv)
{
Vector2 pixelCoord = new Vector2(
Mathf.Lerp(0, tex.width - 1, uv.x),
Mathf.Lerp(0, tex.height - 1, uv.y));
int xFloor = Mathf.FloorToInt(pixelCoord.x);
int yFloor = Mathf.FloorToInt(pixelCoord.y);
return(tex.data[To1DIndex(ref xFloor, ref yFloor, ref tex.width)]);
}
internal GSplitBaseTreeForDynamicPolygonJob GetSplitBaseTreeForDynamicPolygonJob(
int meshBaseResolution, int meshResolution, int lod,
GTextureNativeDataDescriptor <Color32> subdivMap)
{
Rect uvRect = GetUvRange();
GSplitBaseTreeForDynamicPolygonJob job = new GSplitBaseTreeForDynamicPolygonJob()
{
baseTree = subdivNodeNativeArray,
creationState = subdivNodeCreationState,
vertexMarker = vertexMarkerNativeArray,
subdivMap = subdivMap,
baseResolution = meshBaseResolution,
resolution = meshResolution,
lod = lod,
uvRect = uvRect
};
return(job);
}
public static Color GetColorBilinear(GTextureNativeDataDescriptor <Color32> tex, Vector2 uv)
{
return(GetColorBilinear(tex, ref uv));
}
