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Methods
(static) pair(x, y) → {number}
Pairs 2 positive integers, returning a unique number for each possible pairing using elegant pairing
| Name | Type | Description |
|---|---|---|
x | number | 1st number, must be positive integer |
y | number | 2nd number, must be positive integer |
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Unique number from those
- Type:
- number
(static) unpair(n) → {vec}
Takes a paired number and returns the x/y values that created that number
| Name | Type | Description |
|---|---|---|
n | number | Paired number |
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Pair of x/y that created that pair
- Type:
- vec
(static) pairCommon(x, y) → {number}
Pairs 2 positive integers, returning a unique number for each possible pairing using elegant pairing Returns the same value if x/y are switched
| Name | Type | Description |
|---|---|---|
x | number | 1st number, must be positive integer |
y | number | 2nd number, must be positive integer |
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Unique number given inputs
- Type:
- number
(static) getCenterOfMass(vertices)
Calculates the center of mass of a convex body. Uses algorithm from bell0bytes.eu/centroid-convex
| Name | Type | Description |
|---|---|---|
vertices | Array | Convex body vertices |
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(static) parseColor(originalColor) → {Array}
Parses a color into its base hex code and alpha. Supports hex, hex with alpha, rgb, and rgba
| Name | Type | Description |
|---|---|---|
originalColor | string | Color to be parsed |
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Array of [hex code, alpha] of parsed color
- Type:
- Array
(static) merge(objA, objB, maxDepth)
Deep copies objB onto objA in place.
| Name | Type | Description |
|---|---|---|
objA | Object | First object |
objB | Object | 2nd object, copied onto |
maxDepth | number | Maximum depth it can copy. If set to 1 it is a shallow copy only |
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(static) isClass(obj) → {boolean}
Finds if a variable is a class in disguise
| Name | Type | Description |
|---|---|---|
obj | * | Variable to check |
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If the variable is a class
- Type:
- boolean
(static) lineIntersects(a1, a2, b1, b2) → {vec|object}
Checks if line a1->a2 is intersecting line b1->b2, and at what point
| Name | Type | Description |
|---|---|---|
a1 | vec | Start of line 1 |
a2 | vec | End of line 1 |
b1 | vec | Start of line 2 |
b2 | vec | End of line 2 |
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Point of intersection, or null if they don't intersect
- Type:
- vec |
object
(static) lineIntersectsBody(a1, a2, body) → {boolean}
Tests if line a1->a2 is intersecting body
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If the line is intersecting the body
- Type:
- boolean
(static) getRayNearbyStaticBodies(start, end, World)
Finds the static bodies around the ray from start to end. Useful for getting bodies when calling Common.raycast or Common.raycastSimple
| Name | Type | Description |
|---|---|---|
start | vec | Start of ray |
end | vec | End of ray |
World | World | World to get bodies from |
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(static) raycast(start, end, bodiesopt) → {Object}
| Name | Type | Attributes | Description |
|---|---|---|---|
start | vec | Start of ray | |
end | vec | End of ray | |
bodies | Array | <optional> | Array of bodies to test |
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{ collision: boolean, distance: Number, point: vec, body: RigidBody, verticeIndex: Number }
- Type:
- Object
(static) arrayDelete(array, value)
Deletes first instance of value from array
| Name | Type | Description |
|---|---|---|
array | Array | Array item is deleted from |
value | * | Value deleted from array |
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