113 lines
2.5 KiB
TypeScript
113 lines
2.5 KiB
TypeScript
import { ShaderMaterial } from "three";
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import { describe, expect, it } from "vitest";
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import { collectWaterContactPatches, createWaterMaterial } from "../../src/rendering/water-material";
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describe("water material helpers", () => {
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it("builds contact foam patches for bounds that cross the water surface", () => {
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const patches = collectWaterContactPatches(
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{
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center: {
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x: 0,
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y: 0,
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z: 0
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},
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rotationDegrees: {
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x: 0,
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y: 0,
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z: 0
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},
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size: {
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x: 10,
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y: 2,
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z: 8
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}
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},
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[
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{
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min: {
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x: -1,
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y: 0.8,
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z: -0.75
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},
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max: {
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x: 1,
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y: 1.35,
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z: 0.75
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}
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}
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]
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);
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expect(patches).toHaveLength(1);
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expect(patches[0]?.x).toBeCloseTo(0, 5);
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expect(patches[0]?.z).toBeCloseTo(0, 5);
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expect(patches[0]?.halfWidth).toBeGreaterThan(0.9);
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expect(patches[0]?.halfDepth).toBeGreaterThan(0.7);
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});
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it("ignores bounds that do not overlap the water surface band", () => {
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const patches = collectWaterContactPatches(
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{
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center: {
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x: 0,
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y: 0,
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z: 0
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},
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rotationDegrees: {
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x: 0,
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y: 0,
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z: 0
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},
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size: {
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x: 6,
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y: 2,
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z: 6
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}
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},
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[
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{
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min: {
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x: -1,
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y: -3,
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z: -1
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},
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max: {
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x: 1,
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y: -2,
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z: 1
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}
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}
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]
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);
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expect(patches).toHaveLength(0);
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});
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it("builds a shared quality shader material for visible tinted water", () => {
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const result = createWaterMaterial({
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colorHex: "#4da6d9",
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surfaceOpacity: 0.55,
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waveStrength: 0.35,
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opacity: 0.71,
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quality: true,
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wireframe: false,
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isTopFace: true,
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time: 0,
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halfSize: {
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x: 4,
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z: 4
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},
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contactPatches: []
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});
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expect(result.material).toBeInstanceOf(ShaderMaterial);
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const material = result.material as ShaderMaterial;
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expect(material.transparent).toBe(true);
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expect(material.uniforms["surfaceOpacity"]?.value).toBeGreaterThan(0.14);
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expect(material.uniforms["waveStrength"]?.value).toBe(0.35);
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expect(material.uniforms["isTopFace"]?.value).toBe(1);
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expect(result.contactPatchesUniform?.value).toHaveLength(6);
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});
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}); |