play-clj.g2d-physics — play-clj 1.1.1

add-body! clj

(add-body! screen b-def)

Creates a body from b-def, adds it to the screen and returns it.

(add-body! screen (body-def :dynamic))

add-joint! clj

(add-joint! screen j-def)

Adds the joint to the screen for physics simulations and returns it.

body! clj macro

(body! entity k & options)

Calls a single method on a body.

body-angle! clj

(body-angle! entity angle)

Changes the angle (degrees) of the body in entity.

body-def clj macro

(body-def k & options)

Returns a BodyDef.

(body-def :dynamic)

body-position! clj

(body-position! entity x y angle)

Changes the position of the body in entity. The angle is in degrees.

body-x! clj

(body-x! entity x)

Changes the x of the body in entity.

body-y! clj

(body-y! entity y)

Changes the y of the body in entity.

box-2d clj macro

(box-2d gravity-x gravity-y & options)

Returns a World.

(box-2d 0 0)

box-2d! clj macro

(box-2d! screen k & options)

Calls a single method on a box-2d.

box-2d* clj

(box-2d*)

(box-2d* gravity-x gravity-y)

(box-2d* gravity-x gravity-y sleep?)

chain-shape clj macro

(chain-shape & options)

Returns a ChainShape.

chain-shape! clj macro

(chain-shape! object k & options)

Calls a single method on a chain-shape.

chain-shape* clj

(chain-shape*)

circle-shape clj macro

(circle-shape & options)

Returns a CircleShape.

circle-shape! clj macro

(circle-shape! object k & options)

Calls a single method on a circle-shape.

circle-shape* clj

(circle-shape*)

edge-shape clj macro

(edge-shape & options)

Returns an EdgeShape.

edge-shape! clj macro

(edge-shape! object k & options)

Calls a single method on an edge-shape.

edge-shape* clj

(edge-shape*)

first-entity clj

(first-entity screen entities)

Returns the first entity in a contact. May only be used in contact functions such as :on-begin-contact.

fixture! clj macro

(fixture! object k & options)

Calls a single method on a fixture.

fixture-def clj macro

(fixture-def & options)

Returns a FixtureDef.

joint! clj macro

(joint! object k & options)

Calls a single method on a joint.

joint-def clj macro

(joint-def k & options)

Returns a subclass of JointDef.

(joint-def :rope)

polygon-shape clj macro

(polygon-shape & options)

Returns a PolygonShape.

polygon-shape! clj macro

(polygon-shape! object k & options)

Calls a single method on a polygon-shape.

polygon-shape* clj

(polygon-shape*)

second-entity clj

(second-entity screen entities)

Returns the second entity in a contact. May only be used in contact functions such as :on-begin-contact.

step! clj

(step! {:keys [world time-step velocity-iterations position-iterations]
        :or {time-step (/ 1 60) velocity-iterations 10 position-iterations 10}
        :as screen})

(step! screen entities)

Runs the physics simulations for a single frame and optionally returns the entities with their positions updated.