66 lines
1.9 KiB
C#
66 lines
1.9 KiB
C#
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#if UNITY_EDITOR
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using UnityEngine;
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namespace GSpawn
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{
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public static class LineMesh
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{
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public static Mesh createCoordSystemAxes(float axisLength, Color color)
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{
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if (axisLength < 1e-4f) return null;
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Vector3[] positions = new Vector3[]
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{
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Vector3.zero,
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Vector3.right * axisLength,
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Vector3.up * axisLength,
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Vector3.forward * axisLength
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};
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int[] indices = new int[]
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{
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0, 1,
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0, 2,
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0, 3
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};
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Mesh mesh = new Mesh();
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mesh.vertices = positions;
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mesh.colors = ColorEx.createFilledColorArray(4, color);
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mesh.SetIndices(indices, MeshTopology.Lines, 0);
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mesh.UploadMeshData(false);
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return mesh;
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}
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public static Mesh create(Vector3 startPoint, Vector3 endPoint, Color color)
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{
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Mesh mesh = new Mesh();
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mesh.vertices = new Vector3[] { startPoint, endPoint };
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mesh.colors = ColorEx.createFilledColorArray(2, color);
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mesh.SetIndices(new int[] { 0, 1 }, MeshTopology.Lines, 0);
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mesh.UploadMeshData(false);
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return mesh;
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}
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public static Mesh createXAxis(Vector3 origin, float length, Color color)
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{
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if (length < 1e-5f) return null;
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Vector3[] positions = new Vector3[]
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{
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origin, origin + Vector3.right * length
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};
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Mesh mesh = new Mesh();
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mesh.vertices = positions;
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mesh.colors = ColorEx.createFilledColorArray(2, color);
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mesh.SetIndices(new int[] { 0, 1 }, MeshTopology.Lines, 0);
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mesh.UploadMeshData(false);
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return mesh;
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}
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}
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}
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#endif
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