/*
* Copyright (C) 2013-2015 F(X)yz,
* Sean Phillips, Jason Pollastrini and Jose Pereda
* All rights reserved.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fxyz.tests;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Function;
import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.scene.AmbientLight;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.PointLight;
import javafx.scene.Scene;
import javafx.scene.SceneAntialiasing;
import javafx.scene.input.KeyCode;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.DrawMode;
import javafx.scene.shape.TriangleMesh;
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;
import org.fxyz.cameras.CameraTransformer;
import org.fxyz.geometry.Point3D;
import org.fxyz.shapes.primitives.KnotMesh;
import org.fxyz.shapes.primitives.helper.TriangleMeshHelper.SectionType;
import org.fxyz.utils.OBJWriter;
import org.fxyz.utils.Palette.ColorPalette;
/**
*
* @author jpereda
*/
public class KnotTest extends Application {
private PerspectiveCamera camera;
private final double sceneWidth = 600;
private final double sceneHeight = 600;
private final CameraTransformer cameraTransform = new CameraTransformer();
private double mousePosX;
private double mousePosY;
private double mouseOldX;
private double mouseOldY;
private double mouseDeltaX;
private double mouseDeltaY;
private KnotMesh knot;
private Rotate rotateY;
private Function<Point3D, Number> dens = p->(double)p.x;
private long lastEffect;
@Override
public void start(Stage primaryStage) throws Exception {
Group sceneRoot = new Group();
Scene scene = new Scene(sceneRoot, sceneWidth, sceneHeight, true, SceneAntialiasing.BALANCED);
scene.setFill(Color.WHEAT);
camera = new PerspectiveCamera(true);
//setup camera transform for rotational support
cameraTransform.setTranslate(0, 0, 0);
cameraTransform.getChildren().add(camera);
camera.setNearClip(0.1);
camera.setFarClip(10000.0);
camera.setTranslateZ(-30);
cameraTransform.ry.setAngle(-45.0);
cameraTransform.rx.setAngle(-10.0);
//add a Point Light for better viewing of the grid coordinate system
PointLight light = new PointLight(Color.WHITE);
cameraTransform.getChildren().add(light);
cameraTransform.getChildren().add(new AmbientLight(Color.WHITE));
light.setTranslateX(camera.getTranslateX());
light.setTranslateY(camera.getTranslateY());
light.setTranslateZ(camera.getTranslateZ());
scene.setCamera(camera);
rotateY = new Rotate(0, 0, 0, 0, Rotate.Y_AXIS);
Group group = new Group();
group.getChildren().add(cameraTransform);
knot = new KnotMesh(2d,1d,0.4d,2d,3d,
1000,60,0,0);
knot.setDrawMode(DrawMode.LINE);
// knot.setCullFace(CullFace.NONE);
knot.setSectionType(SectionType.TRIANGLE);
// NONE
// knot.setTextureModeNone(Color.BROWN);
// IMAGE
// knot.setTextureModeImage(getClass().getResource("res/LaminateSteel.jpg").toExternalForm());
// PATTERN
// knot.setTextureModePattern(3d);
// FUNCTION
// knot.setTextureModeVertices1D(1530,t->knot.getTau(t));
knot.setTextureModeVertices1D(ColorPalette.GREEN,8,t->knot.getTau(t.doubleValue()));
// DENSITY
// knot.setTextureModeVertices3D(256*256,dens);
// FACES
// knot.setTextureModeFaces(256*256);
knot.getTransforms().addAll(new Rotate(0,Rotate.X_AXIS),rotateY);
group.getChildren().add(knot);
sceneRoot.getChildren().addAll(group);
//First person shooter keyboard movement
scene.setOnKeyPressed(event -> {
double change = 10.0;
//Add shift modifier to simulate "Running Speed"
if(event.isShiftDown()) { change = 50.0; }
//What key did the user press?
KeyCode keycode = event.getCode();
//Step 2c: Add Zoom controls
if(keycode == KeyCode.W) { camera.setTranslateZ(camera.getTranslateZ() + change); }
if(keycode == KeyCode.S) { camera.setTranslateZ(camera.getTranslateZ() - change); }
//Step 2d: Add Strafe controls
if(keycode == KeyCode.A) { camera.setTranslateX(camera.getTranslateX() - change); }
if(keycode == KeyCode.D) { camera.setTranslateX(camera.getTranslateX() + change); }
});
scene.setOnMousePressed((MouseEvent me) -> {
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseOldX = me.getSceneX();
mouseOldY = me.getSceneY();
});
scene.setOnMouseDragged((MouseEvent me) -> {
mouseOldX = mousePosX;
mouseOldY = mousePosY;
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseDeltaX = (mousePosX - mouseOldX);
mouseDeltaY = (mousePosY - mouseOldY);
double modifier = 10.0;
double modifierFactor = 0.1;
if (me.isControlDown()) {
modifier = 0.1;
}
if (me.isShiftDown()) {
modifier = 50.0;
}
if (me.isPrimaryButtonDown()) {
cameraTransform.ry.setAngle(((cameraTransform.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180); // +
cameraTransform.rx.setAngle(((cameraTransform.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360 + 540) % 360 - 180); // -
} else if (me.isSecondaryButtonDown()) {
double z = camera.getTranslateZ();
double newZ = z + mouseDeltaX * modifierFactor * modifier;
camera.setTranslateZ(newZ);
} else if (me.isMiddleButtonDown()) {
cameraTransform.t.setX(cameraTransform.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3); // -
cameraTransform.t.setY(cameraTransform.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3); // -
}
});
lastEffect = System.nanoTime();
AtomicInteger count=new AtomicInteger();
AnimationTimer timerEffect = new AnimationTimer() {
@Override
public void handle(long now) {
if (now > lastEffect + 100_000_000l) {
// Point3D loc = knot.getPositionAt((count.get()%100)*2d*Math.PI/100d);
// Point3D dir = knot.getTangentAt((count.get()%100)*2d*Math.PI/100d);
// cameraTransform.t.setX(loc.x);
// cameraTransform.t.setY(loc.y);
// cameraTransform.t.setZ(-loc.z);
// javafx.geometry.Point3D axis = cameraTransform.rx.getAxis();
// javafx.geometry.Point3D cross = axis.crossProduct(-dir.x,-dir.y,-dir.z);
// double angle = axis.angle(-dir.x,-dir.y,-dir.z);
// cameraTransform.rx.setAngle(angle);
// cameraTransform.rx.setAxis(new javafx.geometry.Point3D(cross.getX(),-cross.getY(),cross.getZ()));
// dens = p->(float)(p.x*Math.cos(count.get()%100d*2d*Math.PI/50d)+p.y*Math.sin(count.get()%100d*2d*Math.PI/50d));
// knot.setDensity(dens);
// knot.setP(1+(count.get()%5));
// knot.setQ(2+(count.get()%15));
// if(count.get()%100<50){
// knot.setDrawMode(DrawMode.LINE);
// } else {
// knot.setDrawMode(DrawMode.FILL);
// }
// knot.setColors((int)Math.pow(2,count.get()%16));
// knot.setMajorRadius(0.5d+(count.get()%10));
// knot.setMinorRadius(2d+(count.get()%60));
// knot.setWireRadius(0.1d+(count.get()%6)/10d);
// knot.setPatternScale(1d+(count.get()%10)*3d);
knot.setSectionType(SectionType.values()[count.get()%SectionType.values().length]);
count.getAndIncrement();
lastEffect = now;
}
}
};
primaryStage.setTitle("F(X)yz - Knots");
primaryStage.setScene(scene);
primaryStage.show();
OBJWriter writer=new OBJWriter((TriangleMesh) knot.getMesh(),"knot");
writer.setMaterialColor(Color.BROWN);
writer.exportMesh();
timerEffect.start();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}