control-toolbox.math.vector-2d — control-toolbox 0.2.12

add clj

(add u v)

angle-between-points clj

(angle-between-points [ux uy] [vx vy])

bearing clj

(bearing [ux uy] [vx vy])

Direction of u with respect to v.

bisect-angle clj

(bisect-angle u v)

circle-circle-collision clj

(circle-circle-collision c1 r1 c2 r2)

Given two circles c1 with radius r1 and c2 with radius r2, return true if circles collide.

closest-point-on-circle clj

(closest-point-on-circle p c r)

closest-point-on-line clj

(closest-point-on-line a b c)

cross-product clj

(cross-product [ax ay] [bx by])

cross-track-distance clj

(cross-track-distance start end loc)

dist clj

(dist u v)

dist-manhattan clj

(dist-manhattan [ux uy] [vx vy])

distance-behind-line clj

(distance-behind-line a b d)

Given line ab calculate a point c, d distance behind a.

dot-product clj

(dot-product [ux uy] [vx vy])

equal? clj

(equal? [ux uy] [vx vy])

in-view-cone? clj

(in-view-cone? view-pos direction angle point)

line-circle-collision clj

(line-circle-collision a b c r)

Given line segment AB and circle C with radius R, returns true if circle collides with the line segmen.

line-intersection clj

(line-intersection [x1 y1] [x2 y2] [x3 y3] [x4 y4])

Given two line segments ab and cd returns the intersection point if they intersect otherwise nil. http://paulbourke.net/geometry/lineline2d/

magnitude clj

(magnitude [ux uy])

mul clj

(mul u v)

negative clj

(negative [ux uy])

normalize clj

(normalize [ux uy])

octant clj

(octant u)

Provides info on which octant (1-8) the vector lies in.

parallel? clj

(parallel? [ux uy] [vx vy])

perpendicular? clj

(perpendicular? u v)

point-in-circle? clj

(point-in-circle? [ax ay] [cx cy] r)

Test if point a falls within the circle c with radius r.

point-in-rectangle clj

(point-in-rectangle a b c d [px py])

Given corners of a rectangle a,b,c,d and a point p, returns true if p in the rectangle,

project clj

(project [ux uy] [vx vy])

quadrant clj

(quadrant u)

Provides info on which quadrant (1-4) the vector lies in.

rectangle-circle-collision clj

(rectangle-circle-collision [a b c d] cc r)

Given corners of a rectangle a,b,c,d and a circle with center cc with radius r return true if circle collides with the rectangle.

rotate clj

(rotate [ux uy] angle)

sub clj

(sub u v)

to-cartesian clj

(to-cartesian r t)

to-polar clj

(to-polar [x y])

(to-polar x y)