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} function keyUp(e) { if (e.keyCode in keysPressed) keysPressed[e.keyCode] = false; } document.addEventListener('keydown', keyDown, false) document.addEventListener('keyup', keyUp, false) ////////////////////////////////////////////////////////////////////////////////////////////////////////// // IMAGES // ////////////////////////////////////////////////////////////////////////////////////////////////////////// const img1 = new Image() const img2 = new Image() img1.src = FileAttachment("Centro-Cultural-Missionário-1.svg")._url img2.src = FileAttachment("Centro-Cultural-Missionário-2.svg")._url const imgs = [img1, img2] const rotations = [0, 90, 180, 270] ////////////////////////////////////////////////////////////////////////////////////////////////////////// // DIMENSIONS // ////////////////////////////////////////////////////////////////////////////////////////////////////////// console.log(container.getBoundingClientRect()) let { width, height } = container.getBoundingClientRect() const canvas = document.getElementById('canvas') const dpr = window.devicePixelRatio width = Math.ceil(width * dpr) height = Math.ceil(height * dpr) canvas.width = width canvas.height = height canvas.style.width = `${width / dpr}px` canvas.style.height = `${height / dpr}px` const context = canvas.getContext('2d') context.scale(dpr, dpr) ////////////////////////////////////////////////////////////////////////////////////////////////////////// // TILES // ////////////////////////////////////////////////////////////////////////////////////////////////////////// const tileSize = 48 * 2 const nTiles = 200 const worldSize = tileSize * nTiles const tilesPerLine = Math.floor(worldSize / tileSize) const tileHalfSize = tileSize / 2 let playerX = worldSize / 2 let playerY = worldSize / 2 const tileGrid = [] const angles = [] const viewTileWidth = Math.floor(width / tileSize) const viewTileHeight = Math.floor(height / tileSize) for (let i = 0; i < tilesPerLine; i++) { const column = [] for (let j = 0; j < tilesPerLine; j++) { column.push( [ imgs[getRandomIntInclusive(0, 1)], rotations[getRandomIntInclusive(0, 3)] ] ) } tileGrid.push(column) } ////////////////////////////////////////////////////////////////////////////////////////////////////////// // DRAWING // ////////////////////////////////////////////////////////////////////////////////////////////////////////// function rotateAndPaintImage(context, image, angle, positionX, positionY, axisX, axisY) { const angleInRad = angle * (Math.PI / 180) context.translate(positionX, positionY) context.rotate(angleInRad) context.drawImage(image, -axisX, -axisY) context.rotate(-angleInRad); context.translate(-positionX, -positionY) } const speed = 12 async function animate() { if (keysPressed[RIGHT_KEY_CODE]) { playerX += speed } if (keysPressed[LEFT_KEY_CODE]) { playerX += -speed } if (keysPressed[UP_KEY_CODE]) { playerY += -speed } if (keysPressed[DOWN_KEY_CODE]) { playerY += speed } const left = playerX - width / 2 const top = playerY - height / 2 let leftTile = Math.floor(left / tileSize) let topTile = Math.floor(top / tileSize) const tileOffsetX = left % tileSize const tileOffsetY = top % tileSize context.clearRect(0, 0, width, height) for (let x = 0; 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