119 lines
3.1 KiB
TypeScript
119 lines
3.1 KiB
TypeScript
import { type Editor } from "../../main";
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export const drawCircle = (
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/**
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* Draw a circle at a specific position on the canvas.
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* @param {number} x - The x-coordinate of the circle's center.
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* @param {number} y - The y-coordinate of the circle's center.
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* @param {number} radius - The radius of the circle.
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* @param {string} color - The fill color of the circle.
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*/
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app: Editor,
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x: number,
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y: number,
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radius: number,
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color: string,
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): void => {
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// @ts-ignore
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const canvas: HTMLCanvasElement = app.interface.feedback;
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const ctx = canvas.getContext("2d");
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if (!ctx) return;
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ctx.beginPath();
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ctx.arc(x, y, radius, 0, Math.PI * 2);
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ctx.fillStyle = color;
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ctx.fill();
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ctx.closePath();
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};
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export const blinkScript = (
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/**
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* Blinks a script indicator circle.
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* @param script - The type of script.
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* @param no - The shift amount multiplier.
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*/
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app: Editor,
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script: "local" | "global" | "init",
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no?: number,
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) => {
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if (no !== undefined && no < 1 && no > 9) return;
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const blinkDuration =
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(app.clock.bpm / 60 / app.clock.time_position.num) * 200;
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// @ts-ignore
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const ctx = app.interface.feedback.getContext("2d");
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/**
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* Draws a circle at a given shift.
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* @param shift - The pixel distance from the origin.
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*/
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const _drawBlinker = (shift: number) => {
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const horizontalOffset = 50;
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drawCircle(
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app,
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horizontalOffset + shift,
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app.interface.feedback.clientHeight - 15,
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8,
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"#fdba74",
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);
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};
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const _clearBlinker = (shift: number) => {
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/**
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* Clears the circle at a given shift.
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* @param shift - The pixel distance from the origin.
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*/
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const x = 50 + shift;
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const y = app.interface.feedback.clientHeight - 15;
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const radius = 8;
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ctx.clearRect(x - radius, y - radius, radius * 2, radius * 2);
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};
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if (script === "local" && no !== undefined) {
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const shiftAmount = no * 25;
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// Clear existing timeout if any
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if (app.blinkTimeouts[shiftAmount]) {
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clearTimeout(app.blinkTimeouts[shiftAmount]);
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}
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_drawBlinker(shiftAmount);
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// Save timeout ID for later clearing
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// @ts-ignore
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app.blinkTimeouts[shiftAmount] = setTimeout(() => {
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_clearBlinker(shiftAmount);
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// Clear the canvas before drawing new blinkers
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(app.interface.feedback as HTMLCanvasElement)
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.getContext("2d")!
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.clearRect(
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0,
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0,
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(app.interface.feedback as HTMLCanvasElement).width,
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(app.interface.feedback as HTMLCanvasElement).height,
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);
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}, blinkDuration);
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}
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};
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export const scriptBlinkers = () => {
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/**
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* Manages animation updates using requestAnimationFrame.
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* @param app - The Editor application context.
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*/
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let lastFrameTime = Date.now();
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const frameRate = 10;
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const minFrameDelay = 1000 / frameRate;
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const update = () => {
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const now = Date.now();
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const timeSinceLastFrame = now - lastFrameTime;
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if (timeSinceLastFrame >= minFrameDelay) {
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lastFrameTime = now;
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}
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requestAnimationFrame(update);
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};
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requestAnimationFrame(update);
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};
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