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feat: いろんな音を鳴らす

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Nebel 2020-12-29 19:43:57 +09:00
parent 33bc465182
commit 87e6bd8670
1 changed files with 11 additions and 5 deletions
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16
src/main.ts
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@ -9,7 +9,7 @@ import {
Vector2,
WebGLRenderer,
} from "three";
import { Synth } from "tone";
import { Oscillator } from "tone";
import randomInt from "./randomInt";
import keyPosition from "./keyPosition";
import keyLayouts from "./config/keyLayouts";
@ -20,16 +20,17 @@ const scene = new Scene();
const camera = new PerspectiveCamera();
const grid = { colum: 14, row: 4 } as const;
const mouse = new Vector2(NaN, NaN);
const panels = Array.from({ length: grid.colum * grid.row }, () => {
const panels = Array.from({ length: grid.colum * grid.row }, (_, i) => {
const geometry = new PlaneGeometry();
const material = new MeshBasicMaterial({ opacity: 0 });
const mesh = new Mesh(geometry, material);
const note = `${"CDEFGAB"[i % 7]}${Math.floor(i / 7)}`;
mesh.userData.osc = new Oscillator(note, "square").toDestination();
return mesh;
});
const renderer = new WebGLRenderer();
const canvas = renderer.domElement;
const raycaster = new Raycaster();
const synth = new Synth({ oscillator: { type: "square" } }).toDestination();
function render() {
renderer.render(scene, camera);
@ -39,6 +40,11 @@ function vibrate() {
if ("vibrate" in navigator) navigator.vibrate(100);
}
function tone(osc: Oscillator) {
osc.start();
osc.stop("+0.05");
}
function drawRect() {
raycaster.setFromCamera(mouse, camera);
const [intersect] = raycaster.intersectObjects(panels);
@ -47,7 +53,7 @@ function drawRect() {
vibrate();
try {
// FIXME: Error: Start time must be strictly greater than previous start time.
synth.triggerAttackRelease("C4", "16n");
tone(intersect.object.userData.osc);
} catch {}
const color = pallet[randomInt(pallet.length - 1)];
@ -102,7 +108,7 @@ function adjustPanelSize() {
panel.scale.set(width, height, 1);
Object.assign(panel.position, {
x: width * ((i % grid.colum) - (grid.colum - 1) / 2),
y: height * (-Math.floor(i / grid.colum) + (grid.row - 1) / 2),
y: height * (Math.floor(i / grid.colum) - (grid.row - 1) / 2),
});
}
}