jme3utilities.mesh.RectangleOutlineMesh Maven / Gradle / Ivy
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/*
Copyright (c) 2017-2020, Stephen Gold
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jme3utilities.mesh;
import com.jme3.scene.Mesh;
import com.jme3.scene.VertexBuffer;
import java.util.logging.Logger;
import jme3utilities.MyMesh;
import jme3utilities.math.MyVector3f;
/**
* A 2-D, static, LineLoop-mode mesh that renders the outline of a rectangle in
* the X-Y plane.
*
* In local space, the rectangle extends from (x1,y1,0) to (x2,y2,0).
*
* @author Stephen Gold [email protected]
*/
public class RectangleOutlineMesh extends Mesh {
// *************************************************************************
// constants and loggers
/**
* message logger for this class
*/
final private static Logger logger
= Logger.getLogger(RectangleOutlineMesh.class.getName());
// *************************************************************************
// constructors
/**
* Instantiate an axis-aligned unit square with its first vertex at the mesh
* origin.
*/
public RectangleOutlineMesh() {
this(0f, 1f, 0f, 1f);
}
/**
* Instantiate an axis-aligned rectangle.
*
* @param x1 local X coordinate of the first and 2nd vertices
* @param x2 local X coordinate of the 3rd and 4th vertices
* @param y1 local Y coordinate of the first and 4th vertices
* @param y2 local Y coordinate of the 2nd and 3rd vertices
*/
public RectangleOutlineMesh(float x1, float x2, float y1, float y2) {
setMode(Mode.LineLoop);
setBuffer(VertexBuffer.Type.Position, MyVector3f.numAxes, new float[]{
x1, y1, 0f,
x1, y2, 0f,
x2, y2, 0f,
x2, y1, 0f});
setBuffer(VertexBuffer.Type.Index, MyMesh.vpe, new short[]{0, 1, 2, 3});
updateBound();
setStatic();
}
}