141 lines
3.9 KiB
C#
141 lines
3.9 KiB
C#
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using UnityEngine;
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using System.Collections;
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#if UNITY_EDITOR
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using UnityEditor.VersionControl;
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using UnityEditorInternal;
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using UnityEditor;
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#endif
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public class AdvancedGizmo {
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public static void DrawCircle(Vector3 center, Vector3 normal, float radius, Color color, int tesselation = 12, bool drawNormal = false, int diagonalCount = 0){
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if (tesselation < 3) {
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Debug.LogError("Invalid tesselation value! Should be >= 3");
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}
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Vector3 right = Vector3.right;
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if (Mathf.Abs (Vector3.Dot (right, normal)) > 0.999f) {
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right = Vector3.up;
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}
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Vector3 front = Vector3.Cross (right, normal).normalized;
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Gizmos.color = color;
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for(int i = 0; i < tesselation; ++i){
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//Gizmos.DrawLine(
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Gizmos.DrawLine(
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center + Quaternion.AngleAxis((360.0f / (float)tesselation) * (float)(i + 0), normal) * front * radius,
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center + Quaternion.AngleAxis((360.0f / (float)tesselation) * (float)(i + 1), normal) * front * radius
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);
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}
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for (int i = 0; i < diagonalCount; ++i) {
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float a1 = (180.0f / (float)diagonalCount) * (float)(i);
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float a2 = a1 + 180.0f;
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Gizmos.DrawLine(
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center + Quaternion.AngleAxis(a1, normal) * front * radius,
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center + Quaternion.AngleAxis(a2, normal) * front * radius
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);
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}
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}
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public static void DrawGrid(Vector3 center, float width, float height, int wSections = 1, int hSections = 1){
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Vector3 topLeft = new Vector3 (-width * 0.5f, 0, height * 0.5f);
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Vector3 wStep = new Vector3 (width / (float)wSections, 0, 0);
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Vector3 hStep = new Vector3 (0, 0, -height / (float)hSections);
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//draw horizontal lines
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for (int i = 0; i <= hSections; ++i) {
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Vector3 p1 = topLeft + hStep * (float)i + center;
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Debug.DrawLine(p1, p1 + new Vector3(width, 0, 0));
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}
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//draw vertical lines
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for (int i = 0; i <= hSections; ++i) {
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Vector3 p1 = topLeft + wStep * (float)i + center;
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Debug.DrawLine(p1, p1 + new Vector3(0, 0, -height));
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}
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}
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public delegate float fx(float x);
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public static void Plot2D(fx func, Matrix4x4 tranfsorm, Vector3 center, Vector3 xAxis, Vector3 yAxis, float xLen, float xScale, float yScale, int sampleCount, Color color){
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float xStep = xLen / (float)(sampleCount - 1);
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Vector3[] points = new Vector3[sampleCount];
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for (int i = 0; i < sampleCount; ++i) {
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float x1 = (float)i * xStep;
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float arg1 = (x1 / xLen) * xScale;
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float y1 = func(arg1) * yScale;
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points[i] = center + xAxis * x1 + yAxis * y1;
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}
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#if UNITY_EDITOR
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Color backup = Handles.color;
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Handles.matrix = tranfsorm;
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Handles.color = color;
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Handles.DrawPolyLine(points);
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Handles.color = backup;
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Handles.matrix = Matrix4x4.identity;
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#endif
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}
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public static void DrawMesh(Vector3[] vertices, int[] indices, bool drawNormals){
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for(int i = 0; i < indices.Length; i+=3){
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Vector3 v0 = vertices[indices[i + 0]];
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Vector3 v1 = vertices[indices[i + 1]];
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Vector3 v2 = vertices[indices[i + 2]];
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Debug.DrawLine(v0, v1);
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Debug.DrawLine(v1, v2);
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Debug.DrawLine(v2, v0);
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if(drawNormals){
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Vector3 center = (v0 + v1 + v2) / 3.0f;
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Vector3 normal = Vector3.Cross((v1 - v0), (v2 - v0));
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Debug.DrawRay(center, normal);
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}
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}
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}
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public static void DrawMesh(Vector3[] vertices, bool drawNormals){
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for(int i = 0; i < vertices.Length; i+=3){
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Vector3 v0 = vertices[i + 0];
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Vector3 v1 = vertices[i + 1];
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Vector3 v2 = vertices[i + 2];
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Debug.DrawLine(v0, v1);
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Debug.DrawLine(v1, v2);
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Debug.DrawLine(v2, v0);
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if(drawNormals){
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Vector3 center = (v0 + v1 + v2) / 3.0f;
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Vector3 normal = Vector3.Cross((v1 - v0), (v2 - v0));
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Debug.DrawRay(center, normal);
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}
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}
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}
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public static void DrawTriangle(Vector3 v0, Vector3 v1, Vector3 v2, bool drawNormal){
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Debug.DrawLine(v0, v1);
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Debug.DrawLine(v1, v2);
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Debug.DrawLine(v2, v0);
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if(drawNormal){
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Vector3 center = (v0 + v1 + v2) / 3.0f;
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Vector3 normal = Vector3.Cross((v1 - v0), (v2 - v0));
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Debug.DrawRay(center, normal);
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}
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}
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}
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