backups/Fantasy-Map-Generator
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Added tectonic painter editor

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Dobidop 2026-03-22 14:41:40 +01:00
parent 18bddd0cec
commit 2a341346ab
3 changed files with 185 additions and 33 deletions
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9
src/index.html
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@ -4108,10 +4108,17 @@
<div id="tectonicEditor" class="dialog stable" style="display: none">
<p style="font-size:11px;margin:0 0 6px">Click a plate to edit. Drag arrows to set velocity.</p>
<div style="margin-top: 4px">
<button id="tectonicPaintToggle" data-tip="Toggle paint mode to reshape plates with a brush">Paint</button>
<button id="tectonicRegenerate" data-tip="Regenerate terrain preview from edited plates">Regenerate Preview</button>
<button id="tectonicApplyMap" data-tip="Apply changes and regenerate the full map">Apply to Map</button>
</div>
<div id="tectonicBrushControls" style="display:none;margin-top:4px;font-size:11px">
<label>Brush size: </label>
<input id="tectonicBrushSize" type="range" min="3" max="40" step="1" value="10"
style="width:80px;vertical-align:middle">
<span id="tectonicBrushSizeLabel">10</span>
</div>
<div style="margin-top: 4px">
<button id="tectonicApplyMap" data-tip="Apply changes and regenerate the full map">Apply to Map</button>
<button id="tectonicToggleOverlay" data-tip="Switch between plate view and height view">Toggle View</button>
<button id="tectonicClose" data-tip="Close editor and remove overlay">Close</button>
</div>

26
src/modules/tectonic-generator.ts
View file

@ -221,6 +221,9 @@ export class TectonicPlateGenerator {
private plates: TectonicPlate[] = [];
private boundaries: PlateBoundary[] = [];
// Grid→sphere mapping for editor cell reassignment
private gridToSphere!: Int32Array;
// Seeded PRNG for deterministic elevation pipeline
private elevationSeed: number = 0;
private rng: () => number = Math.random;
@ -291,6 +294,27 @@ export class TectonicPlateGenerator {
return this.projectAndFinalize();
}
// Reassign grid cells to a different plate, propagating to sphere faces
reassignCells(gridCells: number[], newPlateId: number): void {
if (newPlateId < 0 || newPlateId >= this.plates.length) return;
for (const gc of gridCells) {
if (gc < 0 || gc >= this.numGridCells) continue;
// Find current plate and remove from it
const sphereFace = this.gridToSphere[gc];
if (sphereFace >= 0) {
const oldPlateId = this.plateAssignment[sphereFace];
if (oldPlateId >= 0 && oldPlateId < this.plates.length) {
this.plates[oldPlateId].cells.delete(sphereFace);
}
// Assign to new plate on sphere
this.plateAssignment[sphereFace] = newPlateId;
this.plates[newPlateId].cells.add(sphereFace);
}
}
}
// Get current plates for editor access
getPlates(): TectonicPlate[] {
return this.plates;
@ -1053,6 +1077,7 @@ export class TectonicPlateGenerator {
// y: 0..gridHeight → lat: π/2..-π/2 (top = north pole, bottom = south pole)
const gridElevations = new Float32Array(this.numGridCells);
const gridPlateIds = new Int8Array(this.numGridCells).fill(-1);
this.gridToSphere = new Int32Array(this.numGridCells).fill(-1);
// Build a bucketed spatial index for fast nearest-face lookup
const lonBuckets = 72; // 5° per bucket
@ -1122,6 +1147,7 @@ export class TectonicPlateGenerator {
gridElevations[gi] = this.elevations[bestFace];
gridPlateIds[gi] = this.plateAssignment[bestFace];
this.gridToSphere[gi] = bestFace;
}
// Light smoothing to remove pixelation from sphere→grid sampling