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constraint-solver-js

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2D rigid body constraint solver written in typescript.

github.com/j-arb/ConstraintSolverJs

j-arb/ConstraintSolverJs

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/** * Translate a a position (x,y) from the global * coordinate system, to a relative coordinate system * @param {{x: number, y: number}} globalPos global position to translate * @param {{x: number, y: number}} relCordOrigin position of the relative * coordinate system * @param {number} relCordRot rotation of the relative coordinate system in * radians. * * @returns {{x: number, y: number}} position in the relative coordinate system */ export declare function globalToRelativePos(globalPos: Vector, relCordOrigin: Vector, relCordRot: number): Vector; /** * Translate a position (x,y) from a relative coordinate system * to the global coordinate system. * @param {{x: number, y: number}} relPos relative position to translate * @param {{x: number, y: number}} relCordOrigin position of the relatieve * coordinate system * @param {number} relCordRot rotation of the relative coordinate system in * radians. * * @returns {{x: number, y: number}} position in the global coordinate system */ export declare function relativeToGlobalPos(relPos: Vector, relCordOrigin: Vector, relCordRot?: number): Vector; /** * Translate a vector (x,y) from a relative coordinate system to the * global coordinate system. * @param relVector Relative vector * @param relCordRot Rotation of the relative coordinate system in radians. * @returns vector in global coordinate system */ export declare function relativeToGlobalVector(relVector: Vector, relCordRot: number): Vector; /** * Translate a vector (x,y) from the global coordinate system to a relative * coordinate system * @param relVector Global vector * @param relCordRot Rotation of the relative coordinate system in radians. * @returns vector in relative coordinate system. */ export declare function globalToRelativeVec(vector: Vector, relCordRot: number): Vector;