package org.openpixi.pixi.physics.force; import org.openpixi.pixi.physics.particles.Particle; public class SpringForce implements Force { public double getForceX(Particle par) { return 0; } public double getForceY(Particle par) { return - 0.01 * (par.getY() - 50); } public double getPositionComponentofForceX(Particle par) { return 0; } public double getPositionComponentofForceY(Particle par) { return - 0.01 * (par.getY() - 50); } public double getTangentVelocityComponentOfForceX(Particle par) { return 0; } public double getTangentVelocityComponentOfForceY(Particle par) { return 0; } public double getNormalVelocityComponentofForceX(Particle p) { return 0; } public double getNormalVelocityComponentofForceY(Particle p) { return 0; } public double getBz(Particle p) { return 0; } public double getLinearDragCoefficient(Particle p) { return 0; } }