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function isPointInRamp(x, y, ramp) {
var yDelta = (x - ramp.x) * ramp.slope
return ramp.x < x && x < ramp.x + ramp.width && ramp.y < y + yDelta && y + yDelta < ramp.y + ramp.height
}
function isPointInBox(x, y, box) {
return box.x <= x && x <= box.x + box.width && box.y <= y && y <= box.y + box.height
}
function isPlaneInBox(box) {
return isPointInBox(plane.x, plane.y, box)
|| isPointInBox(plane.x + plane.width, plane.y, box)
|| isPointInBox(plane.x + plane.width, plane.y + plane.height, box)
|| isPointInBox(plane.x, plane.y + plane.height, box)
}
function update() {
t++
score++
if (startLevel) {
plane.x += plane.vx * plane.dir
plane.y += plane.vy
}
if (plane.x < 0 || plane.x > width - plane.width || plane.y < 0 || plane.y + plane.height > height) {
gameOver()
}
currLevel.items.forEach(item => {
item.update()
})
currLevel.items = currLevel.items.filter(item => !item.collected)
if (atExit()) {
console.log("exit!")
}
}
function updateVent() {
// Custom box since vent height is upwards
if (isPlaneInBox({
x: this.x,
y: this.y-this.height,
width: this.width,
height: this.height})) {
plane.y -= 2
}
}
function updateBlock() {
if (isPlaneInBox(this)) {
gameOver()
}
}
function updateRamp() {
if (isPointInRamp(plane.x, plane.y, this) ||
isPointInRamp(plane.x + plane.width, plane.y, this) ||
isPointInRamp(plane.x + plane.width, plane.y + plane.height, this) ||
isPointInRamp(plane.x, plane.y + plane.height, this)) {
gameOver()
}
}
function updateCoin() {
if (Math.sqrt(Math.pow(plane.x - this.x, 2) + Math.pow(plane.y - this.y, 2)) < this.radius
|| Math.sqrt(Math.pow(plane.x + plane.width - this.x, 2) + Math.pow(plane.y - this.y, 2)) < this.radius) {
this.collected = true
collected++
}
}
function updateSwitch() {
if(isPlaneInBox(this)){
if(!this.inBox){
this.inBox = true
switchState = (switchState + 1) % this.stateCount
}
} else {
this.inBox = false
}
}
function updateSwitchRect() {
if(isPlaneInBox(this) && switchState == this.state){
gameOver()
}
}
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