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MapMagic2 Custom Generator Node
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| using System; | |
| using Den.Tools; | |
| using Den.Tools.GUI; | |
| using Den.Tools.Matrices; | |
| using MapMagic.Products; | |
| using MapMagic.Nodes; | |
| using UnityEngine; | |
| [Serializable] | |
| [GeneratorMenu( | |
| menu = "Geometric Generators", | |
| name = "Sine", | |
| colorType = typeof(MatrixWorld) )] | |
| public class MyGenerator : Generator, IOutlet<MatrixWorld> | |
| { | |
| [Val("Offset")] public Vector2D offset; | |
| [Val("Skew")] public Vector2D skew; | |
| [Val("Radius")] public int period = 2000; | |
| #if UNITY_EDITOR | |
| [UnityEditor.InitializeOnLoadMethod] | |
| static void EnlistInMenu () => MapMagic.Nodes.GUI.CreateRightClick.generatorTypes.Add(typeof(MyGenerator)); | |
| #endif | |
| private float Sine(float x, float z){ | |
| // rectify the wave between 0 -> 1 (halve and offset) | |
| return 0.5f * Mathf.Sin( | |
| Mathf.Sqrt( | |
| (x * x * skew.x) + (z * z * skew.z) | |
| ) * 2 * Mathf.PI / period | |
| ) + 0.5f; | |
| } | |
| private float[] Values(int res, float x_offset, float z_offset, float stepRatio){ | |
| float[] output = new float[res * res]; | |
| float x_off = x_offset + offset.x; | |
| float z_off = z_offset + offset.z; | |
| int idx = 0; | |
| for (float z = 0f; z < res; z += 1.0f){ | |
| for (float x = 0f; x < res; x += 1.0f){ | |
| output[idx] = Sine( | |
| (x * stepRatio) + x_off, | |
| (z * stepRatio) + z_off | |
| ); | |
| idx += 1; | |
| } | |
| } | |
| return output; | |
| } | |
| public override void Generate (TileData data, StopToken stop) | |
| { | |
| if (stop!=null && stop.stop) return; | |
| MatrixWorld dst = new MatrixWorld(data.area.full.rect, data.area.full.worldPos, data.area.full.worldSize, data.globals.height); | |
| // The draft tiles have a different resolution. To make them continuous with the non-draft, | |
| // we have to scale the step size so that the output Y value is consistently based on the higher | |
| // resolution | |
| float stepRatio = dst.worldSize.x / dst.rect.size.x; | |
| dst.arr = Values( | |
| (int) dst.rect.size.x, | |
| dst.worldPos.x, | |
| dst.worldPos.z, | |
| stepRatio | |
| ); | |
| if (stop!=null && stop.stop) return; | |
| data.StoreProduct(this, dst); | |
| } | |
| } |
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