39 lines
1.4 KiB
C#
39 lines
1.4 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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public class PlanePoints : ObjectPoints
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{
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protected override void CalculateEdgeVectors(int VectorCornerIdx)
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{
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base.CalculateEdgeVectors(VectorCornerIdx);
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EdgeVectors.Add(CornerPoints[3] - CornerPoints[VectorCornerIdx]);
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EdgeVectors.Add(CornerPoints[1] - CornerPoints[VectorCornerIdx]);
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}
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protected override void CalculateRandomPoint()
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{
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int randomCornerIdx = Random.Range(0, 2) == 0 ? 0 : 2; //there is two triangles in a plane, which tirangle contains the random point is chosen
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//corner point is chosen for triangles as the variable
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CalculateEdgeVectors(randomCornerIdx);
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float u = Random.Range(0.0f, 1.0f);
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float v = Random.Range(0.0f, 1.0f);
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if (v + u > 1) //sum of coordinates should be smaller than 1 for the point be inside the triangle
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{
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v = 1 - v;
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u = 1 - u;
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}
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RandomPoint = CornerPoints[randomCornerIdx] + u * EdgeVectors[0] + v * EdgeVectors[1];
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}
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protected override void CalculateCornerPoints()
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{
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base.CalculateCornerPoints();
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CornerPoints.Add(ObjectVertices[0]); //corner points are added to show on the editor
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CornerPoints.Add(ObjectVertices[10]);
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CornerPoints.Add(ObjectVertices[110]);
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CornerPoints.Add(ObjectVertices[120]);
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}
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}
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