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Added object distributuon calculationg

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Misaki
2024-09-22 00:11:03 +09:00
parent 77d16fbffa
commit df0194ff9c
22 changed files with 375 additions and 100 deletions
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80
Runtime/Cloner/Helper/ShapeHelperGetPosition.cs
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@@ -4,7 +4,7 @@ namespace Misaki.ArtTool
{
internal static partial class ShapeHelper
{
internal static float3 GetCubePosition(int index, int3 size)
internal static float3 GetCubePosition(int index, float3 size)
{
float3 localPosition;
var yIndex = index / (size.x * size.z);
@@ -13,38 +13,96 @@ namespace Misaki.ArtTool
var xIndex = remain % size.x;
localPosition = new float3(xIndex, yIndex, zIndex);
localPosition -= (float3)(size - 1) * 0.5f;
localPosition -= (size - 1) * 0.5f;
return localPosition;
}
internal static bool GetMeshVertexPosition(int index, MeshData meshData, out float3 position)
internal static bool GetMeshVertexPosition(int index, ref MeshData meshData, out float3 position)
{
position = float3.zero;
if (!meshData.vertices.IsCreated || meshData.vertices.Length <= index)
{
position = float3.zero;
return false;
}
position = meshData.vertices[index];
var meshScale = meshData.worldMatrix.GetScale();
var meshPosition = meshData.worldMatrix.c3.xyz;
if (index >= meshData.vertices.Length)
{
return false;
}
position = meshData.vertices[index] * meshScale + meshPosition;
return true;
}
internal static bool GetMeshEdgePosition(int index, MeshData meshData, out float3 position)
internal static bool GetMeshEdgePosition(int index, ref MeshData meshData, out float3 position, out float3 forwardDirection, out float3 upDirection)
{
if (!meshData.edges.IsCreated || meshData.edges.Length <= index)
position = float3.zero;
forwardDirection = new float3(0.0f, 0.0f, 1.0f);
upDirection = new float3(0.0f, 1.0f, 0.0f);
if (!meshData.edges.IsCreated || index >= meshData.edges.Length)
{
position = float3.zero;
return false;
}
var edge = meshData.edges[index];
if (meshData.vertices.Length <= edge.x || meshData.vertices.Length <= edge.y)
if (edge.x >= meshData.vertices.Length || edge.y >= meshData.vertices.Length)
{
position = float3.zero;
return false;
}
position = (meshData.vertices[edge.x] + meshData.vertices[edge.y]) / 2.0f;
var meshScale = meshData.worldMatrix.GetScale();
var meshPosition = meshData.worldMatrix.c3.xyz;
var a = meshData.vertices[edge.x] * meshScale + meshPosition;
var b = meshData.vertices[edge.y] * meshScale + meshPosition;
position = (a + b) / 2.0f;
forwardDirection = a - b;
var interpNormal = math.normalize(meshData.normals[edge.x] + meshData.normals[edge.y]);
upDirection = math.normalize(math.cross(interpNormal, new float3(1.0f, 0.0f, 0.0f)));
if (math.all(upDirection <= float3.zero))
{
upDirection = math.normalize(math.cross(interpNormal, new float3(0.0f, 0.0f, 1.0f)));
}
return true;
}
internal static bool GetMeshPolygonPosition(int index, ref MeshData meshData, out float3 position)
{
position = float3.zero;
if (!meshData.edges.IsCreated || meshData.edges.Length <= index)
{
return false;
}
var meshScale = meshData.worldMatrix.GetScale();
var meshPosition = meshData.worldMatrix.c3.xyz;
var triangleIndex = index * 3;
if (triangleIndex >= meshData.triangles.Length - 2)
{
return false;
}
var pointIndexA = meshData.triangles[triangleIndex];
var pointIndexB = meshData.triangles[triangleIndex + 1];
var pointIndexC = meshData.triangles[triangleIndex + 2];
var a = meshData.vertices[pointIndexA] * meshScale + meshPosition;
var b = meshData.vertices[pointIndexB] * meshScale + meshPosition;
var c = meshData.vertices[pointIndexC] * meshScale + meshPosition;
position = (a + b + c) / 3.0f;
return true;
}
}