goog.math.Vec3
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Class for a three-dimensional vector object and assorted functions useful for manipulation.
Inherits from goog.math.Coordinate3 so that a Vec3 may be passed in to any function that requires a Coordinate.
new Vec3( x, y, z )
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Instance Methods
this.add( b ) → goog.math.Vec3
goog.math.Vec3Adds another vector to this vector in-place.
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this.clone() → goog.math.Vec3
goog.math.Vec3Creates a new copy of this Vec3.
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this.equals( b ) → boolean
booleanCompares this vector with another for equality.
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this.invert() → goog.math.Vec3
goog.math.Vec3Reverses the sign of the vector. Equivalent to scaling the vector by -1.
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this.magnitude() → number
numberReturns the magnitude of the vector measured from the origin.
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this.normalize() → goog.math.Vec3
goog.math.Vec3Normalizes the current vector to have a magnitude of 1.
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this.scale( s ) → goog.math.Vec3
goog.math.Vec3Scales the current vector by a constant.
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this.squaredMagnitude() → number
numberReturns the squared magnitude of the vector measured from the origin. NOTE(brenneman): Leaving out the square root is not a significant optimization in JavaScript.
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this.subtract( b ) → goog.math.Vec3
goog.math.Vec3Subtracts another vector from this vector in-place.
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this.toString() → string
stringReturns a nice string representing the coordinate.
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Instance Properties
this.x → number
numberthis.y → number
numberthis.z → number
numberStatic Functions
Vec3.cross( a, b ) → goog.math.Vec3
goog.math.Vec3Returns the cross-product of two vectors.
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Vec3.difference( a, b ) → goog.math.Vec3
goog.math.Vec3Returns the difference of two vectors as a new Vec3.
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Vec3.distance( a, b ) → number
numberReturns the distance between two vectors.
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Vec3.dot( a, b ) → number
numberReturns the dot-product of two vectors.
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Vec3.equals( a, b ) → boolean
booleanCompares vectors for equality.
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Vec3.fromCoordinate3( a ) → goog.math.Vec3
goog.math.Vec3Returns a new Vec3 object from a given coordinate.
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Vec3.lerp( a, b, x ) → goog.math.Vec3
goog.math.Vec3Returns a new Vec3 that is the linear interpolant between vectors a and b at scale-value x.
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Vec3.random() → goog.math.Vec3
goog.math.Vec3Generates a random vector inside the unit sphere.
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Vec3.randomUnit() → goog.math.Vec3
goog.math.Vec3Generates a random unit vector.
http://mathworld.wolfram.com/SpherePointPicking.html Using (6), (7), and (8) to generate coordinates.
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Vec3.rescaled( a, s ) → goog.math.Vec3
goog.math.Vec3Returns a new Vec3 that is a copy of the vector a, but rescaled by a factor s in all dimensions.
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Vec3.squaredDistance( a, b ) → number
numberReturns the squared distance between two vectors.
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Vec3.sum( a, b ) → goog.math.Vec3
goog.math.Vec3Returns the sum of two vectors as a new Vec3.
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