Victor Giers
94dec56eb4
[add] src/rendering/terrain-layer-material.ts [add] tests/domain/terrains.test.ts [change] src/app/App.tsx [change] src/core/terrain-brush.ts [change] src/document/migrate-scene-document.ts [change] src/document/scene-document-validation.ts [change] src/document/scene-document.ts [change] src/document/terrains.ts [change] src/geometry/terrain-brush.ts [change] src/geometry/terrain-mesh.ts [change] src/runtime-three/rapier-collision-world.ts [change] src/runtime-three/runtime-host.ts [change] src/runtime-three/runtime-scene-build.ts [change] src/viewport-three/ViewportCanvas.tsx [change] src/viewport-three/ViewportPanel.tsx [change] src/viewport-three/viewport-host.ts [change] tests/domain/build-runtime-scene.test.ts [change] tests/domain/rapier-collision-world.test.ts [change] tests/domain/terrain.command.test.ts [change] tests/domain/water-material.test.ts [change] tests/geometry/terrain-brush.test.ts [change] tests/geometry/terrain-mesh.test.ts [change] tests/serialization/scene-document-json.test.ts [change] tests/unit/terrain-foundation.integration.test.tsx [change] tests/unit/viewport-canvas.test.tsx
64 lines
1.5 KiB
TypeScript
64 lines
1.5 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import {
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getTerrainPaintWeightSampleOffset,
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resizeTerrainGrid,
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createTerrain
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} from "../../src/document/terrains";
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describe("terrain grid resizing", () => {
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it("keeps terrain centered while bilinearly resampling heights and paint weights", () => {
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const terrain = createTerrain({
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id: "terrain-resample-main",
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position: {
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x: 0,
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y: 1,
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z: 0
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},
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sampleCountX: 2,
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sampleCountZ: 2,
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cellSize: 1,
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heights: [0, 2, 4, 6],
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paintWeights: [
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0,
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0,
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0,
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0.6,
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0,
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0,
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0,
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0.5,
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0,
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0,
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0,
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0.25
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]
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});
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const resizedTerrain = resizeTerrainGrid(terrain, {
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sampleCountX: 3,
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sampleCountZ: 3,
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cellSize: 1
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});
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const centerOffset = getTerrainPaintWeightSampleOffset(resizedTerrain, 1, 1);
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expect(resizedTerrain.position).toEqual({
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x: -0.5,
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y: 1,
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z: -0.5
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});
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expect(resizedTerrain.sampleCountX).toBe(3);
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expect(resizedTerrain.sampleCountZ).toBe(3);
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expect(resizedTerrain.heights[4]).toBeCloseTo(3);
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expect(resizedTerrain.paintWeights[centerOffset]).toBeCloseTo(0.15);
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expect(resizedTerrain.paintWeights[centerOffset + 1]).toBeCloseTo(0.125);
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expect(resizedTerrain.paintWeights[centerOffset + 2]).toBeCloseTo(0.0625);
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expect(terrain.position).toEqual({
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x: 0,
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y: 1,
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z: 0
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});
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expect(terrain.heights).toEqual([0, 2, 4, 6]);
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});
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});
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