You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.1 KiB
JavaScript
64 lines
1.1 KiB
JavaScript
function outOfBounds() {
|
|
let halfWidth = this.width * 0.5;
|
|
let halfHeight = this.height * 0.5;
|
|
|
|
if (this.position.x - halfWidth < 0) {
|
|
return true;
|
|
}
|
|
|
|
if (this.position.x + halfWidth > width) {
|
|
return true;
|
|
}
|
|
|
|
if (this.position.y - halfHeight > height) {
|
|
return true;
|
|
}
|
|
|
|
if (this.position.y + halfHeight < 0) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function bounds() {
|
|
let halfWidth = this.width * 0.5;
|
|
let halfHeight = this.height * 0.5;
|
|
|
|
return {
|
|
min: {
|
|
x: this.position.x - halfWidth,
|
|
y: this.position.y - halfHeight,
|
|
},
|
|
max: {
|
|
x: this.position.x + halfHeight,
|
|
y: this.position.y + halfHeight,
|
|
},
|
|
};
|
|
}
|
|
|
|
function overlaps(other) {
|
|
let me = this.bounds();
|
|
let them = other.bounds();
|
|
|
|
// i'm to the right of them
|
|
if (me.min.x > them.max.x) {
|
|
return false;
|
|
}
|
|
|
|
// i'm to the left of them
|
|
if (me.max.x < them.min.x) {
|
|
return false;
|
|
}
|
|
|
|
// i'm entirely above them
|
|
if (me.max.y < them.min.y) {
|
|
return false;
|
|
}
|
|
|
|
// i'm entirely below them
|
|
if (me.min.y > them.max.y) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|