import { DisplayString, renderLoop } from 'vectorengine';

let x: f32 = 0.0;
let y: f32 = 0.3;
let scale: f32 = 0.04;
let yellow: u32 = 0xff_ff_00_ff;
const helloWorld = new DisplayString("Hello Vector Engine", x, y, scale, yellow);

const heartLoop: StaticArray<f32> = [
  // x, y
  0, 0.4375, // first point
  0.125, 0.625, // second point
  0.2578125, 0.7421875, // third point...
  0.375, 0.796875,
  0.5, 0.796875,
  0.625, 0.75,
  0.7578125, 0.6171875,
  0.875, 0.375,
  0.875, 0.125,
  0.75, -0.125,
  0, -0.875,
  -0.75, -0.125,
  -0.875, 0.125,
  -0.875, 0.375,
  -0.7421875, 0.6171875,
  -0.625, 0.75,
  -0.5, 0.796875,
  -0.375, 0.796875,
  -0.25, 0.75,
  -0.125, 0.625,];

let timeChange: f32 = 0.0; // ADD THIS LINE

export function gameLoop(delta: i32): void {

  timeChange += <f32>delta / 1000.0; // ADD THIS LINE

  helloWorld.render();

  const scale: f32 = (Mathf.sin(timeChange * 18) + 1.05) / 50.0 + 0.2; // CHANGE LINE
  const x: f32 = 0.0;
  const y: f32 = -0.2;
  const rotation: f32 = 0.0;
  const red: u32 = 0xff_00_00_ff;
  renderLoop(heartLoop, x, y, red, rotation, scale);
}