/*
* 3D Canvas for GCode Visualizer.
*
* Created on Jan 29, 2013
*/
/*
Copywrite 2013-2016 Will Winder
This file is part of Universal Gcode Sender (UGS).
UGS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
UGS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with UGS. If not, see <http://www.gnu.org/licenses/>.
*/
package com.willwinder.universalgcodesender.visualizer;
import com.jogamp.common.nio.Buffers;
import com.jogamp.opengl.GL;
import static com.jogamp.opengl.GL.GL_DEPTH_TEST;
import static com.jogamp.opengl.GL.GL_LEQUAL;
import static com.jogamp.opengl.GL.GL_LINES;
import static com.jogamp.opengl.GL.GL_NICEST;
import com.jogamp.opengl.GL2;
import static com.jogamp.opengl.GL2ES1.GL_PERSPECTIVE_CORRECTION_HINT;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.awt.GLCanvas;
import static com.jogamp.opengl.fixedfunc.GLLightingFunc.GL_SMOOTH;
import static com.jogamp.opengl.fixedfunc.GLMatrixFunc.GL_MODELVIEW;
import static com.jogamp.opengl.fixedfunc.GLMatrixFunc.GL_PROJECTION;
import com.jogamp.opengl.glu.GLU;
import com.willwinder.universalgcodesender.gcode.util.GcodeParserException;
import com.willwinder.universalgcodesender.i18n.Localization;
import com.willwinder.universalgcodesender.model.Position;
import com.willwinder.universalgcodesender.model.UnitUtils;
import com.willwinder.universalgcodesender.uielements.helpers.FPSCounter;
import com.willwinder.universalgcodesender.uielements.helpers.Overlay;
import com.willwinder.universalgcodesender.utils.GUIHelpers;
import com.willwinder.universalgcodesender.utils.GcodeStreamReader;
import java.awt.Font;
import java.awt.Point;
import java.awt.event.*;
import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.text.DecimalFormat;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.vecmath.Point3d;
import javax.vecmath.Vector3d;
/**
*
* @author wwinder
*
*/
@SuppressWarnings("serial")
public class VisualizerCanvas extends GLCanvas implements GLEventListener, KeyListener, MouseMotionListener, MouseWheelListener {
private static final Logger logger = Logger.getLogger(VisualizerCanvas.class.getName());
private static boolean ortho = true;
private static double orthoRotation = -45;
private static boolean forceOldStyle = false;
private static boolean debugCoordinates = false; // turn on coordinate debug output
final static private DecimalFormat format = new DecimalFormat("####.00");
// Machine data
private final Point3d machineCoord;
private final Point3d workCoord;
// Gcode file data
private String gcodeFile = null;
private boolean processedGcodeFile = false; // True if the file should be loaded with a GcodeStreamReader
private boolean isDrawable = false; //True if a file is loaded; false if not
private List<LineSegment> gcodeLineList; //An ArrayList of linesegments composing the model
private int currentCommandNumber = 0;
private int lastCommandNumber = 0;
// GL Utility
private GLU glu;
// Projection variables
private Point3d center, eye;
private Point3d objectMin, objectMax;
private double maxSide;
private double aspectRatio;
private int xSize, ySize;
private double minArcLength;
private double arcLength;
// Scaling
private double scaleFactor;
private double scaleFactorBase;
private double zoomMultiplier = 1;
private final boolean invertZoom = false; // TODO: Make configurable
// const values until added to settings
private final double minZoomMultiplier = 1;
private final double maxZoomMultiplier = 30;
private final double zoomIncrement = 0.2;
// Movement
private final int panMouseButton = InputEvent.BUTTON2_MASK; // TODO: Make configurable
private double panMultiplierX = 1;
private double panMultiplierY = 1;
private Vector3d translationVectorH;
private Vector3d translationVectorV;
// Mouse rotation data
private Point last;
private Point current;
private Point3d rotation;
// OpenGL Object Buffer Variables
private int numberOfVertices = -1;
private float[] lineVertexData = null;
private byte[] lineColorData = null;
private FloatBuffer lineVertexBuffer = null;
private ByteBuffer lineColorBuffer = null;
// Track when arrays need to be updated due to changing data.
private boolean colorArrayDirty = false;
private boolean vertexArrayDirty = false;
private FPSCounter fpsCounter;
private Overlay overlay;
private String dimensionsLabel;
/**
* Constructor.
*/
public VisualizerCanvas() {
this.addGLEventListener(this);
this.addKeyListener(this);
this.addMouseMotionListener(this);
this.addMouseWheelListener(this);
this.eye = new Point3d(0, 0, 1.5);
this.center = new Point3d(0, 0, 0);
this.workCoord = new Point3d(0, 0, 0);
this.machineCoord = new Point3d(0, 0, 0);
this.rotation = new Point3d(0.0, -30.0, 0.0);
if (ortho) {
setVerticalTranslationVector();
setHorizontalTranslationVector();
}
}
/**
* This is used to gray out completed commands.
*/
public void setCurrentCommandNumber(int num) {
this.currentCommandNumber = num;
this.createVertexBuffers();
this.colorArrayDirty = true;
}
/**
* Returns the last command number used for generating the gcode object.
*/
public int getLastCommandNumber() {
return this.lastCommandNumber;
}
public void setProcessedGcodeFile(String file) {
this.processedGcodeFile = true;
setFile(file);
}
/**
* Assign a gcode file to drawing.
*/
public void setGcodeFile(String file) {
this.processedGcodeFile = false;
setFile(file);
}
private void setFile(String file) {
this.gcodeFile = file;
this.isDrawable = false;
this.currentCommandNumber = 0;
this.lastCommandNumber = 0;
generateObject();
}
public void setWorkCoordinate(Position p) {
this.workCoord.set(p.getPositionIn(UnitUtils.Units.MM));
}
public void setMachineCoordinate(Position p) {
this.machineCoord.set(p.getPositionIn(UnitUtils.Units.MM));
}
// ------ Implement methods declared in GLEventListener ------
/**
* Called back immediately after the OpenGL context is initialized. Can be used
* to perform one-time initialization. Run only once.
* GLEventListener method.
*/
@Override
public void init(GLAutoDrawable drawable) {
logger.log(Level.INFO, "Initializing OpenGL context.");
generateObject();
this.fpsCounter = new FPSCounter(drawable, new Font("SansSerif", Font.BOLD, 12));
this.overlay = new Overlay(drawable, new Font("SansSerif", Font.BOLD, 12));
this.overlay.setColor(127, 127, 127, 100);
this.overlay.setTextLocation(Overlay.LOWER_LEFT);
// Parse random gcode file and generate something to draw.
GL2 gl = drawable.getGL().getGL2(); // get the OpenGL graphics context
glu = new GLU(); // get GL Utilities
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // set background (clear) color
gl.glClearDepth(1.0f); // set clear depth value to farthest
gl.glEnable(GL_DEPTH_TEST); // enables depth testing
gl.glDepthFunc(GL_LEQUAL); // the type of depth test to do
gl.glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // best perspective correction
gl.glShadeModel(GL_SMOOTH); // blends colors nicely, and smoothes out lighting
}
/**
* Call-back handler for window re-size event. Also called when the drawable is
* first set to visible.
* GLEventListener method.
*/
@Override
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
logger.log(Level.INFO, "Reshaping OpenGL context.");
if (!isDrawable) return;
this.xSize = width;
this.ySize = height;
GL2 gl = drawable.getGL().getGL2(); // get the OpenGL 2 graphics context
if (height == 0){ height = 1; } // prevent divide by zero
this.aspectRatio = (float)width / height;
this.scaleFactorBase = VisualizerUtils.findScaleFactor(this.xSize, this.ySize, this.objectMin, this.objectMax, 0.9);
this.scaleFactor = this.scaleFactorBase * this.zoomMultiplier;
this.panMultiplierX = VisualizerUtils.getRelativeMovementMultiplier(this.objectMin.x, this.objectMax.x, this.xSize);
this.panMultiplierY = VisualizerUtils.getRelativeMovementMultiplier(this.objectMin.y, this.objectMax.y, this.ySize);
// Set the view port (display area) to cover the entire window
gl.glViewport(0, 0, width, height);
}
/**
* Called back by the animator to perform rendering.
* GLEventListener method.
*/
@Override
public void display(GLAutoDrawable drawable) {
if (!isDrawable) return;
this.setupPerpective(this.xSize, this.ySize, drawable, ortho);
final GL2 gl = drawable.getGL().getGL2();
// Scale the model so that it will fit on the window.
gl.glScaled(this.scaleFactor, this.scaleFactor, this.scaleFactor);
// Rotate prior to translating so that rotation happens from middle of
// object.
if (ortho) {
// Manual rotation
gl.glRotated(this.rotation.x, 0.0, 1.0, 0.0);
gl.glRotated(this.rotation.y, 1.0, 0.0, 0.0);
gl.glTranslated(-this.eye.x - this.center.x, -this.eye.y - this.center.y, -this.eye.z - this.center.z);
} else {
// Shift model to center of window.
gl.glTranslated(-this.center.x, -this.center.y, 0);
}
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
// Draw model
if (isDrawable) {
//renderAxes(drawable);
renderModel(drawable);
renderTool(drawable);
}
gl.glDisable(GL.GL_DEPTH_TEST);
gl.glPopMatrix();
if (isDrawable) {
this.fpsCounter.draw();
this.overlay.draw(this.dimensionsLabel);
//this(drawable, new Font("SansSerif", Font.BOLD, 12));
}
update();
}
private void renderAxes(GLAutoDrawable drawable) {
final GL2 gl = drawable.getGL().getGL2();
gl.glBegin(GL_LINES);
// X-Axis
gl.glColor3f( 1, 0, 0 );
gl.glVertex3f( 0, 0, 0 );
gl.glVertex3f( 50, 0, 0 );
// Y-Axis
gl.glColor3f( 0, 1, 0 );
gl.glVertex3f( 0, 0, 0 );
gl.glVertex3f( 0, 50, 0 );
// Z-Axis
gl.glColor3f( 0, 0, 1 );
gl.glVertex3f( 0, 0, 0 );
gl.glVertex3f( 0, 0, 50 );
gl.glEnd();
//# Draw number 50 on x/y-axis line.
//glRasterPos2f(50,-5)
//glutInit()
//A = 53
//glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, A)
//glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, 48)
//glRasterPos2f(-5,50)
//glutInit()
//A = 53
//glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, A)
//glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, 48)
}
/**
* Draws a tool at the current work coordinates.
*/
private void renderTool(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
gl.glLineWidth(8.0f);
byte []color;
color = VisualizerUtils.Color.YELLOW.getBytes();
int verts = 0;
int colors = 0;
gl.glBegin(GL_LINES);
gl.glColor3ub(color[0], color[1], color[2]);
gl.glVertex3d(this.workCoord.x, this.workCoord.y, this.workCoord.z);
gl.glColor3ub(color[0], color[1], color[2]);
gl.glVertex3d(this.workCoord.x, this.workCoord.y, this.workCoord.z+(1.0/this.scaleFactor));
gl.glEnd();
}
/**
* Render the GCode object.
*/
private void renderModel(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
// Batch mode if available
if(!forceOldStyle
&& gl.isFunctionAvailable( "glGenBuffers" )
&& gl.isFunctionAvailable( "glBindBuffer" )
&& gl.isFunctionAvailable( "glBufferData" )
&& gl.isFunctionAvailable( "glDeleteBuffers" ) ) {
// Initialize OpenGL arrays if required.
if (this.colorArrayDirty) {
this.updateGLColorArray(drawable);
this.colorArrayDirty = false;
}
if (this.vertexArrayDirty) {
this.updateGLGeometryArray(drawable);
this.vertexArrayDirty = false;
}
gl.glLineWidth(1.0f);
gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
gl.glEnableClientState(GL2.GL_COLOR_ARRAY);
gl.glDrawArrays( GL.GL_LINES, 0, numberOfVertices);
gl.glDisableClientState(GL2.GL_COLOR_ARRAY);
gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);
}
// Traditional OpenGL
else {
// TODO: By using a GL_LINE_STRIP I can easily use half the number of
// verticies. May lose some control over line colors though.
//gl.glEnable(GL2.GL_LINE_SMOOTH);
gl.glBegin(GL_LINES);
gl.glLineWidth(1.0f);
int verts = 0;
int colors = 0;
for(LineSegment ls : gcodeLineList)
{
gl.glColor3ub(lineColorData[colors++],lineColorData[colors++],lineColorData[colors++]);
gl.glVertex3d(lineVertexData[verts++], lineVertexData[verts++], lineVertexData[verts++]);
gl.glColor3ub(lineColorData[colors++],lineColorData[colors++],lineColorData[colors++]);
gl.glVertex3d(lineVertexData[verts++], lineVertexData[verts++], lineVertexData[verts++]);
}
gl.glEnd();
}
// makes the gui stay on top of elements
// drawn before.
}
/**
* Setup the perspective matrix.
*/
private void setupPerpective(int x, int y, GLAutoDrawable drawable, boolean ortho) {
final GL2 gl = drawable.getGL().getGL2();
if (ortho) {
gl.glDisable(GL_DEPTH_TEST);
//gl.glDisable(GL_LIGHTING);
gl.glMatrixMode(GL_PROJECTION);
gl.glLoadIdentity();
// Object's longest dimension is 1, make window slightly larger.
gl.glOrtho(-0.51*this.aspectRatio,0.51*this.aspectRatio,-0.51,0.51,-10,10);
gl.glMatrixMode(GL_MODELVIEW);
gl.glLoadIdentity();
} else {
gl.glEnable(GL.GL_DEPTH_TEST);
// Setup perspective projection, with aspect ratio matches viewport
gl.glMatrixMode(GL_PROJECTION); // choose projection matrix
gl.glLoadIdentity(); // reset projection matrix
glu.gluPerspective(45.0, this.aspectRatio, 0.1, 100.0); // fovy, aspect, zNear, zFar
// Move camera out and point it at the origin
glu.gluLookAt(this.eye.x, this.eye.y, this.eye.z,
0, 0, 0,
0, 1, 0);
// Enable the model-view transform
gl.glMatrixMode(GL_MODELVIEW);
gl.glLoadIdentity(); // reset
}
}
/**
* Parse the gcodeFile and store the resulting geometry and data about it.
*/
private void generateObject()
{
if (this.gcodeFile == null){ return; }
try {
GcodeViewParse gcvp = new GcodeViewParse();
// Load from stream
if (this.processedGcodeFile) {
GcodeStreamReader gsr = new GcodeStreamReader(new File(this.gcodeFile));
gcodeLineList = gcvp.toObjFromReader(gsr, 0.3);
}
// Load raw file
else {
List<String> linesInFile;
linesInFile = VisualizerUtils.readFiletoArrayList(this.gcodeFile);
gcodeLineList = gcvp.toObjRedux(linesInFile, 0.3);
}
this.objectMin = gcvp.getMinimumExtremes();
this.objectMax = gcvp.getMaximumExtremes();
if (gcodeLineList.size() == 0) {
return;
}
// Grab the line number off the last line.
this.lastCommandNumber = gcodeLineList.get(gcodeLineList.size() - 1).getLineNumber();
System.out.println("Object bounds: X ("+objectMin.x+", "+objectMax.x+")");
System.out.println(" Y ("+objectMin.y+", "+objectMax.y+")");
System.out.println(" Z ("+objectMin.z+", "+objectMax.z+")");
this.center = VisualizerUtils.findCenter(objectMin, objectMax);
System.out.println("Center = " + center.toString());
System.out.println("Num Line Segments :" + gcodeLineList.size());
this.maxSide = VisualizerUtils.findMaxSide(objectMin, objectMax);
this.scaleFactorBase = 1.0/this.maxSide;
this.scaleFactorBase = VisualizerUtils.findScaleFactor(this.xSize, this.ySize, this.objectMin, this.objectMax, 0.9);
this.scaleFactor = this.scaleFactorBase * this.zoomMultiplier;
this.isDrawable = true;
double objectWidth = this.objectMax.x-this.objectMin.x;
double objectHeight = this.objectMax.y-this.objectMin.y;
this.dimensionsLabel = Localization.getString("VisualizerCanvas.dimensions") + ": "
+ Localization.getString("VisualizerCanvas.width") + "=" + format.format(objectWidth) + " "
+ Localization.getString("VisualizerCanvas.height") + "=" + format.format(objectHeight);
// Now that the object is known, fill the buffers.
this.createVertexBuffers();
this.colorArrayDirty = true;
this.vertexArrayDirty = true;
} catch (GcodeParserException | IOException e) {
String error = Localization.getString("mainWindow.error.openingFile") + " : " + e.getLocalizedMessage();
System.out.println(error);
GUIHelpers.displayErrorDialog(error);
}
}
/**
* Convert the gcodeLineList into vertex and color arrays.
*/
private void createVertexBuffers() {
if (this.isDrawable) {
this.numberOfVertices = gcodeLineList.size() * 2;
this.lineVertexData = new float[numberOfVertices * 3];
this.lineColorData = new byte[numberOfVertices * 3];
VisualizerUtils.Color color;
int vertIndex = 0;
int colorIndex = 0;
for(LineSegment ls : gcodeLineList) {
// Find the lines color.
if (ls.isArc()) {
color = VisualizerUtils.Color.RED;
} else if (ls.isFastTraverse()) {
color = VisualizerUtils.Color.BLUE;
} else if (ls.isZMovement()) {
color = VisualizerUtils.Color.GREEN;
} else {
color = VisualizerUtils.Color.WHITE;
}
// Override color if it is cutoff
if (ls.getLineNumber() <= this.currentCommandNumber) {
color = VisualizerUtils.Color.GRAY;
}
// Draw it.
{
Point3d p1 = ls.getStart();
Point3d p2 = ls.getEnd();
byte[] c = color.getBytes();
// colors
//p1
lineColorData[colorIndex++] = c[0];
lineColorData[colorIndex++] = c[1];
lineColorData[colorIndex++] = c[2];
//p2
lineColorData[colorIndex++] = c[0];
lineColorData[colorIndex++] = c[1];
lineColorData[colorIndex++] = c[2];
// p1 location
lineVertexData[vertIndex++] = (float)p1.x;
lineVertexData[vertIndex++] = (float)p1.y;
lineVertexData[vertIndex++] = (float)p1.z;
//p2
lineVertexData[vertIndex++] = (float)p2.x;
lineVertexData[vertIndex++] = (float)p2.y;
lineVertexData[vertIndex++] = (float)p2.z;
}
}
}
}
/**
* Initialize or update open gl geometry array in native buffer objects.
*/
private void updateGLGeometryArray(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
// Reset buffer and set to null of new geometry doesn't fit.
if (lineVertexBuffer != null) {
lineVertexBuffer.clear();
if (lineVertexBuffer.remaining() < lineVertexData.length) {
lineVertexBuffer = null;
}
}
if (lineVertexBuffer == null) {
lineVertexBuffer = Buffers.newDirectFloatBuffer(lineVertexData.length);
}
lineVertexBuffer.put(lineVertexData);
lineVertexBuffer.flip();
gl.glVertexPointer( 3, GL.GL_FLOAT, 0, lineVertexBuffer );
}
/**
* Initialize or update open gl color array in native buffer objects.
*/
private void updateGLColorArray(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
// Reset buffer and set to null of new colors don't fit.
if (lineColorBuffer != null) {
lineColorBuffer.clear();
if (lineColorBuffer.remaining() < lineColorData.length) {
lineColorBuffer = null;
}
}
if (lineColorBuffer == null) {
lineColorBuffer = Buffers.newDirectByteBuffer(this.lineColorData.length);
}
lineColorBuffer.put(lineColorData);
lineColorBuffer.flip();
gl.glColorPointer( 3, GL.GL_UNSIGNED_BYTE, 0, lineColorBuffer );
}
// For seeing the tool path.
//private int count = 0;
//private boolean increasing = true;
/**
* Called after each render.
*/
private void update() {
if (debugCoordinates) {
System.out.println("Machine coordinates: " + this.machineCoord.toString());
System.out.println("Work coordinates: " + this.workCoord.toString());
System.out.println("-----------------");
}
/*
// Increases the cutoff number each frame to show the tool path.
count++;
if (increasing) currentCommandNumber+=10;
else currentCommandNumber-=10;
if (this.currentCommandNumber > this.lastCommandNumber) increasing = false;
else if (this.currentCommandNumber <= 0) increasing = true;
*/
}
/**
* Called back before the OpenGL context is destroyed.
* Release resource such as buffers.
* GLEventListener method.
*/
@Override
public void dispose(GLAutoDrawable drawable) {
logger.log(Level.INFO, "Disposing OpenGL context.");
this.lineColorBuffer = null;
this.lineVertexBuffer = null;
this.gcodeLineList = null;
this.isDrawable = false;
this.numberOfVertices = 0;
}
/**
* KeyListener method.
*/
@Override
public void keyTyped(KeyEvent ke) {
//System.out.println ("key typed");
}
/**
* KeyListener method.
*/
@Override
public void keyPressed(KeyEvent ke) {
double DELTA_SIZE = 0.1;
switch(ke.getKeyCode()) {
case KeyEvent.VK_UP:
this.eye.y+=DELTA_SIZE;
break;
case KeyEvent.VK_DOWN:
this.eye.y-=DELTA_SIZE;
break;
case KeyEvent.VK_LEFT:
this.eye.x-=DELTA_SIZE;
break;
case KeyEvent.VK_RIGHT:
this.eye.x+=DELTA_SIZE;
break;
case KeyEvent.VK_MINUS:
if (ke.isControlDown())
this.zoomOut(1);
break;
case KeyEvent.VK_0:
if (ke.isControlDown()) {
this.zoomMultiplier = 1;
this.scaleFactor = this.scaleFactorBase;
}
break;
case KeyEvent.VK_ESCAPE:
this.zoomMultiplier = 1;
this.scaleFactor = this.scaleFactorBase;
this.eye.x = 0;
this.eye.y = 0;
this.eye.z = 1.5;
this.rotation.x = 0;
this.rotation.y = -30;
this.rotation.z = 0;
default:
break;
}
switch(ke.getKeyChar()) {
case 'p':
this.eye.z+=DELTA_SIZE;
break;
case ';':
this.eye.z-=DELTA_SIZE;
break;
case 'w':
this.center.y+=DELTA_SIZE;
break;
case 's':
this.center.y-=DELTA_SIZE;
break;
case 'a':
this.center.x-=DELTA_SIZE;
break;
case 'd':
this.center.x+=DELTA_SIZE;
break;
case 'r':
this.center.z+=DELTA_SIZE;
break;
case 'f':
this.center.z-=DELTA_SIZE;
break;
case '+':
if (ke.isControlDown())
this.zoomIn(1);
break;
default:
break;
}
//System.out.println("Eye: " + eye.toString()+"\nCent: "+cent.toString());
}
/**
* KeyListener method.
*/
@Override
public void keyReleased(KeyEvent ke) {
//System.out.println ("key released");
}
/** Mouse Motion Listener Events **/
@Override
public void mouseDragged(MouseEvent me) {
this.current = me.getPoint();
int dx = this.current.x - this.last.x;
int dy = this.current.y - this.last.y;
if (me.isShiftDown() || me.getModifiers() == this.panMouseButton) {
if (ortho) {
// Treat dx and dy as vectors relative to the rotation angle.
this.eye.x -= ((dx * this.translationVectorH.x * this.panMultiplierX) + (dy * this.translationVectorV.x * panMultiplierY));
this.eye.y += ((dy * this.translationVectorV.y * panMultiplierY) - (dx * this.translationVectorH.y * this.panMultiplierX));
this.eye.z -= ((dx * this.translationVectorH.z * this.panMultiplierX) + (dy * this.translationVectorV.z * panMultiplierY));
} else {
this.eye.x += dx;
this.eye.y += dy;
}
} else {
this.rotation.x += dx / 2.0;
this.rotation.y -= dy / 2.0;
if (ortho) {
setHorizontalTranslationVector();
setVerticalTranslationVector();
}
}
// Now that the motion has been accumulated, reset last.
this.last = this.current;
}
private void setHorizontalTranslationVector() {
double x = Math.cos(Math.toRadians(this.rotation.x));
double xz = Math.sin(Math.toRadians(this.rotation.x));
double y = xz * Math.sin(Math.toRadians(this.rotation.y));
double yz = xz * Math.cos(Math.toRadians(this.rotation.y));
translationVectorH = new Vector3d(x, y, yz);
translationVectorH.normalize();
}
private void setVerticalTranslationVector(){
double y = Math.cos(Math.toRadians(this.rotation.y));
double yz = Math.sin(Math.toRadians(this.rotation.y));
translationVectorV = new Vector3d(0, y, yz);
translationVectorV.normalize();
}
@Override
public void mouseMoved(MouseEvent me) {
// Keep last location up to date so that we're ready to start dragging.
last = me.getPoint();
}
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
int delta = e.getWheelRotation();
if (delta == 0)
return;
if (delta > 0) {
if (this.invertZoom)
zoomOut(delta);
else
zoomIn(delta);
} else if (delta < 0) {
if (this.invertZoom)
zoomIn(delta * -1);
else
zoomOut(delta * -1);
}
}
private void zoomOut(int increments) {
if (ortho) {
if (this.zoomMultiplier <= this.minZoomMultiplier)
return;
this.zoomMultiplier -= increments * zoomIncrement;
if (this.zoomMultiplier < this.minZoomMultiplier)
this.zoomMultiplier = this.minZoomMultiplier;
this.scaleFactor = this.scaleFactorBase * this.zoomMultiplier;
} else {
this.eye.z += increments;
}
}
private void zoomIn(int increments) {
if (ortho) {
if (this.zoomMultiplier >= this.maxZoomMultiplier)
return;
this.zoomMultiplier += increments * zoomIncrement;
if (this.zoomMultiplier > this.maxZoomMultiplier)
this.zoomMultiplier = this.maxZoomMultiplier;
this.scaleFactor = this.scaleFactorBase * this.zoomMultiplier;
} else {
this.eye.z -= increments;
}
}
public double getMinArcLength() {
return minArcLength;
}
public void setMinArcLength(double minArcLength) {
if (this.minArcLength != minArcLength) {
this.minArcLength = minArcLength;
if (this.gcodeFile != null) {
this.setGcodeFile(this.gcodeFile);
}
}
}
public double getArcLength() {
return arcLength;
}
public void setArcLength(double arcLength) {
if (this.arcLength != arcLength) {
this.arcLength = arcLength;
if (this.gcodeFile != null) {
this.setGcodeFile(this.gcodeFile);
}
}
}
}