Vova
102 lines
2.6 KiB
C#
102 lines
2.6 KiB
C#
using UnityEngine;
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using System.Collections;
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// DrawGizmoGrid.cs
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// draws a useful reference grid in the editor in Unity.
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// 09/01/15 - Hayden Scott-Baron
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// twitter.com/docky
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// no attribution needed, but please tell me if you like it ^_^
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[ExecuteInEditMode]
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[RequireComponent(typeof(Grid))]
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public class DrawGizmoGrid : MonoBehaviour
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{
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// universal grid scale
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public float gridScale = 1f;
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// extents of the grid
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public int minX = -15;
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public int minY = -15;
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public int maxX = 15;
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public int maxY = 15;
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// nudges the whole grid rel
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public Vector3 gridOffset = Vector3.zero;
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// is this an XY or an XZ grid?
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public bool topDownGrid = true;
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// choose a colour for the gizmos
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public int gizmoMajorLines = 5;
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public Color gizmoLineColor = new Color(0.4f, 0.4f, 0.3f, 1f);
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Grid grid;
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// rename + centre the gameobject upon first time dragging the script into the editor.
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void Reset()
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{
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if (name == "GameObject")
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name = "~~ GIZMO GRID ~~";
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transform.position = Vector3.zero;
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}
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private void Start()
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{
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grid = GetComponent<Grid>();
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gridScale = grid.cellSize.x/10;
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}
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// draw the grid :)
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void OnDrawGizmosSelected()
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{
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// orient to the gameobject, so you can rotate the grid independently if desired
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Gizmos.matrix = transform.localToWorldMatrix;
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// set colours
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Color dimColor = new Color(gizmoLineColor.r, gizmoLineColor.g, gizmoLineColor.b, 0.25f * gizmoLineColor.a);
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Color brightColor = Color.Lerp(Color.white, gizmoLineColor, 0.75f);
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// draw the horizontal lines
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for (int x = minX; x < maxX + 1; x++)
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{
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// find major lines
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Gizmos.color = (x % gizmoMajorLines == 0 ? gizmoLineColor : dimColor);
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if (x == 0)
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Gizmos.color = brightColor;
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Vector3 pos1 = new Vector3(x, minY, 0) * gridScale;
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Vector3 pos2 = new Vector3(x, maxY, 0) * gridScale;
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// convert to topdown/overhead units if necessary
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if (topDownGrid)
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{
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pos1 = new Vector3(pos1.x, 0, pos1.y);
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pos2 = new Vector3(pos2.x, 0, pos2.y);
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}
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Gizmos.DrawLine((gridOffset + pos1), (gridOffset + pos2));
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}
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// draw the vertical lines
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for (int y = minY; y < maxY + 1; y++)
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{
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// find major lines
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Gizmos.color = (y % gizmoMajorLines == 0 ? gizmoLineColor : dimColor);
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if (y == 0)
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Gizmos.color = brightColor;
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Vector3 pos1 = new Vector3(minX, y, 0) * gridScale;
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Vector3 pos2 = new Vector3(maxX, y, 0) * gridScale;
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// convert to topdown/overhead units if necessary
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if (topDownGrid)
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{
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pos1 = new Vector3(pos1.x, 0, pos1.y);
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pos2 = new Vector3(pos2.x, 0, pos2.y);
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}
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Gizmos.DrawLine((gridOffset + pos1), (gridOffset + pos2));
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}
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}
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} |