Dino - NDDCoder

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function dispatchKey(type, key) {
        document.dispatchEvent(new KeyboardEvent(type, {keyCode: key}));
        }
        setInterval(function () {
            const KEY_CODE_SPACE_BAR = 32
                const KEY_CODE_ARROW_DOWN = 40
                    const CANVAS_HEIGHT = Runner.instance_.dimensions.HEIGHT
                        const DINO_HEIGHT = Runner.instance_.tRex.config.HEIGHT

const obstacle = Runner.instance_.horizon.obstacles[0]
                                const speed = Runner.instance_.currentSpeed

if (obstacle) {
                                            const w = obstacle.width
                                                    const x = obstacle.xPos // measured from left of canvas
                                                            const y = obstacle.yPos // measured from top of canvas
                                                                    const yFromBottom = CANVAS_HEIGHT - y - obstacle.typeConfig.height
                                                                            const isObstacleNearby = x < 25 * speed - w / 2

if (isObstacleNearby) {
                                                                                                if (yFromBottom > DINO_HEIGHT) {
                                                                                                                // Pterodactyl going from above, do nothing
                                                                                                                            } else if (y > CANVAS_HEIGHT / 2) {
                                                                                                                                            // Jump
                                                                                                                                                            dispatchKey("keyup", KEY_CODE_ARROW_DOWN)
                                                                                                                                                                            dispatchKey("keydown", KEY_CODE_SPACE_BAR)
                                                                                                                                                                                        } else {
                                                                                                                                                                                                        // Duck
                                                                                                                                                                                                                        dispatchKey("keydown", KEY_CODE_ARROW_DOWN)
                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                }, Runner.instance_.msPerFrame);
                                                                                                                                                                                                                                                
}