com.badlogic.gdx.physics.box2d.joints.MotorJoint Maven / Gradle / Ivy

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This project is a higher-order fork of a box2d binding.
There is a newer version: 1.3.0
/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.physics.box2d.joints;

import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.Joint;
import com.badlogic.gdx.physics.box2d.World;

/**
 * A motor joint is used to control the relative motion between two bodies. A typical usage is to control the movement of a
 * dynamic body with respect to the ground.
 */
public class MotorJoint extends Joint {
  // @off
	/*JNI
#include 
	 */

  private final float[] tmp = new float[2];
  private final Vector2 linearOffset = new Vector2();

  public MotorJoint(World world, long addr) {
    super(world, addr);
  }

  public Vector2 getLinearOffset() {
    jniGetLinearOffset(addr, tmp);
    linearOffset.set(tmp[0], tmp[1]);
    return linearOffset;
  }

  private native void jniGetLinearOffset(long addr, float[] linearOffset); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		linearOffset[0] = joint->GetLinearOffset().x;
		linearOffset[1] = joint->GetLinearOffset().y;
	*/

  public void setLinearOffset(Vector2 linearOffset) {
    jniSetLinearOffset(addr, linearOffset.x, linearOffset.y);
  }

  private native void jniSetLinearOffset(long addr, float linearOffsetX, float linearOffsetY); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		joint->SetLinearOffset(b2Vec2(linearOffsetX, linearOffsetY));
	*/

  public float getAngularOffset() {
    return jniGetAngularOffset(addr);
  }

  private native float jniGetAngularOffset(long addr); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		return joint->GetAngularOffset();
	*/

  public void setAngularOffset(float angularOffset) {
    jniSetAngularOffset(addr, angularOffset);
  }

  private native void jniSetAngularOffset(long addr, float angularOffset); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		joint->SetAngularOffset(angularOffset);
	*/

  public float getMaxForce() {
    return jniGetMaxForce(addr);
  }

  private native float jniGetMaxForce(long addr); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		return joint->GetMaxForce();
	*/

  public void setMaxForce(float maxForce) {
    jniSetMaxForce(addr, maxForce);
  }

  private native void jniSetMaxForce(long addr, float maxForce); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		joint->SetMaxForce(maxForce);
	*/

  public float getMaxTorque() {
    return jniGetMaxTorque(addr);
  }

  private native float jniGetMaxTorque(long addr); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		return joint->GetMaxTorque();
	*/

  public void setMaxTorque(float maxTorque) {
    jniSetMaxTorque(addr, maxTorque);
  }

  private native void jniSetMaxTorque(long addr, float maxTorque); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		joint->SetMaxTorque(maxTorque);
	*/

  public float getCorrectionFactor() {
    return jniGetCorrectionFactor(addr);
  }

  private native float jniGetCorrectionFactor(long addr); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		return joint->GetCorrectionFactor();
	*/

  public void setCorrectionFactor(float correctionFactor) {
    jniSetCorrectionFactor(addr, correctionFactor);
  }

  private native void jniSetCorrectionFactor(long addr, float correctionFactor); /*
		b2MotorJoint* joint = (b2MotorJoint*)addr;
		joint->SetCorrectionFactor(correctionFactor);
	*/

}