80 lines
2.9 KiB
C#
80 lines
2.9 KiB
C#
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#define Graph_And_Chart_PRO
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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namespace ChartAndGraph
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{
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/// <summary>
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/// pie mesh creation class
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/// </summary>
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partial class PieMesh
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{
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public static void Generate2dPath(List<Vector2> path, List<int> tringles,float startAngle, float angleSpan, float radius, float innerRadius, int segments)
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{
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float segmentAngle = angleSpan / segments;
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float currentAngle = startAngle;
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path.Clear();
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for (int i = 0; i <= segments; i++)
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{
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path.Add(Vector2.zero);
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path.Add(Vector2.zero);
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}
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for (int i =0; i <= segments; i++)
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{
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currentAngle += segmentAngle;
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float cos = Mathf.Cos(currentAngle);
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float sin = Mathf.Sin(currentAngle);
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Vector3 innerVertex = new Vector3(cos * innerRadius, sin * innerRadius, 0f);
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Vector3 outerVertex = new Vector3(cos * radius, sin * radius, 0f);
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path[i] = innerVertex;
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path[path.Count - 1 - i] = outerVertex;
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}
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for (int i = 1; i <= segments; i++)
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{
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tringles.Add(i-1);
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tringles.Add(i);
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tringles.Add(path.Count - i);
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tringles.Add(i);
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tringles.Add(path.Count - i);
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tringles.Add(path.Count - 1 - i);
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}
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}
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public static void Generate2dMesh(IChartMesh mesh, float startAngle,float angleSpan,float radius,float innerRadius,int segments)
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{
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float segmentAngle = angleSpan / segments;
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float currentAngle = startAngle;
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float segmenUv = 1f / segments;
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float currentUv = 0f;
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float cos = Mathf.Cos(currentAngle);
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float sin = Mathf.Sin(currentAngle);
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UIVertex prevInnerVertex = ChartCommon.CreateVertex(new Vector3(cos * innerRadius, sin * innerRadius, 0f), new Vector2(currentUv, 0f));
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UIVertex prevOuterVertex = ChartCommon.CreateVertex(new Vector3(cos * radius, sin * radius, 0f), new Vector2(currentUv, 1f));
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for (int i=1; i<segments+1; i++)
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{
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currentUv += segmenUv;
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currentAngle += segmentAngle;
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cos = Mathf.Cos(currentAngle);
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sin = Mathf.Sin(currentAngle);
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UIVertex innerVertex = ChartCommon.CreateVertex(new Vector3(cos * innerRadius, sin * innerRadius, 0f), new Vector2(currentUv, 0f));
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UIVertex outerVertex = ChartCommon.CreateVertex(new Vector3(cos * radius, sin * radius, 0f), new Vector2(currentUv, 1f));
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mesh.AddQuad(prevInnerVertex, innerVertex, prevOuterVertex, outerVertex);
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prevInnerVertex = innerVertex;
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prevOuterVertex = outerVertex;
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}
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}
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}
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}
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