1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
package tesseract.objects.tank;
import java.awt.Color;
import java.awt.event.KeyEvent;
import java.util.LinkedList;
import java.util.List;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Color3f;
import javax.vecmath.Point3f;
import javax.vecmath.Vector3f;
import tesseract.objects.Particle;
import tesseract.objects.PhysicalObject;
import tesseract.objects.remote.RemoteObject;
public class Tank extends RemoteObject {
private final TransformGroup whole;
private final TransformGroup turret;
//private final Vector3f orientation;
KeyEvent lastEvent;
private Vector3f aim;
private final Point3f gunLocation;
private static final float DEFAULT_SCALE = 0.0625f;
private static final Color DEFAULT_BODY_COLOR = Color.GREEN;
private static final Color DEFAULT_TRACK_COLOR = Color.DARK_GRAY;
private static final Color DEFAULT_TURRET_COLOR = Color.GREEN;
private final Body tank;
private int barrelElevation = 0;
private static final int maxBarrelElevation = 14;
private static final int minBarrelElevation = -1;
private final float myScale;
private int barrelTurn = 0;
private final int MAX_TURN = 32;
public Tank(final Vector3f thePosition, final float mass) {
this(thePosition, mass, DEFAULT_SCALE);
}
public Tank(final Vector3f thePosition, final float mass,
final float theScale) {
this(thePosition, mass, theScale, DEFAULT_BODY_COLOR,
DEFAULT_TRACK_COLOR, DEFAULT_TURRET_COLOR);
}
public Tank(final Vector3f thePosition, final float mass,
final float theScale, final Color bodyColor, final Color trackColor,
final Color turretColor) {
super (thePosition, mass);
myScale = theScale;
tank = new Body(trackColor, bodyColor, theScale, turretColor);
//orientation = new Vector3f();
aim = new Vector3f();
gunLocation = new Point3f();
Transform3D turretMove = new Transform3D();
turretMove.setTranslation(new Vector3f(0, Body.height * theScale, 0));
turret = new TransformGroup();
turret.addChild(tank.getTurret());
turret.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
whole = new TransformGroup();
whole.addChild(tank.getBody());
whole.addChild(turret);
whole.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
setShape(whole);
inverseInertiaTensor.m00 = 1f / 12 / inverseMass * (Body.height * Body.height * theScale + Body.depth * Body.depth * theScale);
inverseInertiaTensor.m11 = 1f / 12 / inverseMass * (Body.width * Body.width * theScale + Body.depth * Body.depth * theScale);
inverseInertiaTensor.m22 = 1f / 12 / inverseMass * (Body.width * Body.width * theScale + Body.height * Body.height * theScale);
inverseInertiaTensor.invert();
}
/**
*
*/
private static final long serialVersionUID = 4419863813052251438L;
@Override
public String getName() {
return "Tank";
}
protected void keyEventReceived(final KeyEvent event) {
lastEvent = event;
//Transform3D check = new Transform3D();
//tank.getBody().getTransform(check);
//check.get(orientation);
Vector3f temp = new Vector3f();
Transform3D current = new Transform3D();
turret.getTransform(current);
Transform3D currentOrientation = new Transform3D();
whole.getTransform(currentOrientation);
Transform3D turnRight = new Transform3D();
Transform3D barrelDown = new Transform3D();
Transform3D barrelUp = new Transform3D();
Transform3D right = new Transform3D();
Transform3D left = new Transform3D();
Transform3D turnLeft = new Transform3D();
switch (event.getKeyCode()) {
case KeyEvent.VK_W:
break;
case KeyEvent.VK_S:
break;
case KeyEvent.VK_A:
turnLeft.rotY(Math.PI / 32);
currentOrientation.mul(turnLeft);
whole.setTransform(currentOrientation);
//orientation.y += Math.PI / 32;
//angularVelocity.y = 0;
//orientation.normalize();
//System.out.println(orientation.x+ ", " + orientation.y + " " + orientation.z);
break;
case KeyEvent.VK_D:
turnRight.rotY(-Math.PI / 32);
currentOrientation.mul(turnRight);
whole.setTransform(currentOrientation);
//orientation.y -= Math.PI / 32;
//angularVelocity.y = 0;
//orientation.normalize();
//System.out.println(orientation.x+ ", " + orientation.y + " " + orientation.z);
break;
case KeyEvent.VK_LEFT:
left.rotY(Math.PI / 32);
current.mul(left);
turret.setTransform(current);
barrelTurn = barrelTurn - 1;
break;
case KeyEvent.VK_RIGHT:
right.rotY(-Math.PI / 32);
current.mul(right);
turret.setTransform(current);
barrelTurn = barrelTurn + 1;
break;
case KeyEvent.VK_UP:
tank.getBarrel().getTransform(barrelUp);
Transform3D up = new Transform3D();
up.rotZ(Math.PI /32);
barrelUp.mul(up);
if (barrelElevation < maxBarrelElevation) {
tank.getBarrel().setTransform(barrelUp);
barrelElevation++;
}
//barrelUp.get(aim);
break;
case KeyEvent.VK_DOWN:
tank.getBarrel().getTransform(barrelDown);
Transform3D down = new Transform3D();
down.rotZ(-Math.PI /32);
barrelDown.mul(down);
if (barrelElevation > minBarrelElevation) {
tank.getBarrel().setTransform(barrelDown);
barrelElevation--;
}
break;
//case KeyEvent.VK_SPACE:
//spawnChildren(0f);
//System.out.println("Tried to fire particle");
//break;
}
if (barrelTurn < -MAX_TURN) {
barrelTurn = MAX_TURN - 1;
} else if (barrelTurn > MAX_TURN) {
barrelTurn = -MAX_TURN + 1;
}
}
/**
* Update State and maybe generate a new object.
*
* @return A list of new objects to add to the world.
*/
public List<PhysicalObject> spawnChildren(float duration) {
List<PhysicalObject> children = super.spawnChildren(duration);
if (children == null) {
children = new LinkedList<PhysicalObject>();
}
if (lastEvent != null && lastEvent.getKeyCode() == KeyEvent.VK_SPACE) {
//System.out.println(barrelTurn);
Vector3f toSet = new Vector3f(position.getX(), position.getY(), position.getZ());
//toSet.x += 1f * myScale;
//toSet.x = toSet.x - .5f * myScale;
//toSet.y += Body.height * myScale + .275 * myScale;
float xyTheta = ((float) Math.PI / 32) * barrelElevation;
float xzTheta = ((float) Math.PI / 32) * barrelTurn;
//float c = theta * Body.gunLength * myScale;
//toSet.y = toSet.y + c;
//VERTICAL CALCULATION
float l = Body.gunLength * myScale + .45f * myScale;
float q = (l * (float) Math.sin((double) xyTheta))/ (float) Math.sin((Math.PI - xyTheta) / 2);
float w = (l * (float) Math.sin((double) xzTheta))/ (float) Math.sin((Math.PI - xzTheta) / 2);
float newX = l - ((q * q) / (2 * l));
float newY = (float) ((q / (2 * l)) * Math.sqrt(4 * l * l - q * q));
toSet.x = toSet.x + newX;
toSet.y = toSet.y + newY;
//HORIZONTAL CALCULATION
float newnewX = l - ((w * w) / (2 * l));
float newZ = (float) ((w / (2 * l)) * Math.sqrt(4 * l * l - w * w));
//toSet.x = toSet.x - newnewX;
toSet.z = toSet.z + newZ;
toSet.x = toSet.x - newX;
float temp = Math.max(newnewX, newX) - Math.min(newnewX, newX);
toSet.x = toSet.x + Math.max(newnewX, newX) - temp;
/*
System.out.println("theta " + theta);
System.out.println("q " + q);
System.out.println("l " + q);
System.out.println(newX);
System.out.println(newY);*/
toSet.y += Body.height * myScale + .275 * myScale;
Particle toAdd = new Particle(toSet, new Color3f(DEFAULT_BODY_COLOR));
children.add(toAdd);
//System.out.println(toAdd.getPosition());
//System.out.println(this.position);
lastEvent = null;
}
return children;
}
}
|
