public void processTouchPoints(ReadOnlyTouchPointCollection touches)
{
lastTouchPosition = touchPosition;
int tagID = -1;
if (touches.Count >= 1)
{
for (int i = 0; i < touches.Count; i++)
{
if (touches[i].IsTagRecognized)
{
tagID = (int)touches[i].Tag.Value;
break;
}
}
if (tagID != -1)
{
touchPosition = touches[0];
//First time touch
if (lastTouchPosition == null)
{
Segment s;
s.P1 = game.GraphicsDevice.Viewport.Unproject(new Vector3(touchPosition.CenterX, touchPosition.CenterY, 0f),
viewManager.Projection, viewManager.View, Matrix.Identity);
s.P2 = game.GraphicsDevice.Viewport.Unproject(new Vector3(touchPosition.CenterX, touchPosition.CenterY, 1f),
viewManager.Projection, viewManager.View, Matrix.Identity);
float scalar;
Vector3 point;
var c = physics.BroadPhase.Intersect(ref s, out scalar, out point);
if (c != null && c is BodySkin)
{
pickedObject = ((BodySkin)c).Owner;
pickedForce = new WorldPointConstraint(pickedObject, point);
physics.Add(pickedForce);
pickedDistance = scalar;
pickedObject.IsActive = true;
}
lastOrientation = touches.Count == 1 ? touches[0].Orientation : touches[1].Orientation;
}
else if (pickedObject != null)
{
Segment s;
s.P1 = game.GraphicsDevice.Viewport.Unproject(new Vector3(touchPosition.CenterX, touchPosition.CenterY, 0f),
viewManager.Projection, viewManager.View, Matrix.Identity);
s.P2 = game.GraphicsDevice.Viewport.Unproject(new Vector3(touchPosition.CenterX, touchPosition.CenterY, 1f),
viewManager.Projection, viewManager.View, Matrix.Identity);
Vector3 diff, point;
Vector3.Subtract(ref s.P2, ref s.P1, out diff);
Vector3.Multiply(ref diff, pickedDistance, out diff);
Vector3.Add(ref s.P1, ref diff, out point);
pickedForce.WorldPoint = point;
pickedObject.IsActive = true;
//SolidThing po = (SolidThing)pickedObject;
//Console.Out.WriteLine("UNFREEEEEEEEEEEEZE");
switch (tagID)
{
//Pin a block
case 0:
pickedObject.Freeze();
break;
//unPin a block
case 1:
pickedObject.Unfreeze();
break;
//Rotate a block
case 2:
pickedForce.orientation = Quaternion.CreateFromAxisAngle(new Vector3(0, 0, -1.0f), touchPosition.Orientation);
break;
//Move a block towards or away from camera
case 3:
TouchPoint tagPoint = touches[0];
float deltaRotation = MathHelper.ToDegrees(lastOrientation) - MathHelper.ToDegrees(tagPoint.Orientation);
Vector3 direction = new Vector3(0, 0, 1.0f);
direction.Normalize();
pickedForce.WorldPoint = Vector3.Add(pickedForce.WorldPoint, Vector3.Multiply(direction, deltaRotation * 0.01f));
break;
//Rotate stack onto top view
/*case 4:
viewManager.rotateToSide(4, touch);
break;
//Corkscrew closer or further away
case 5:
viewManager.rotateToSide(5);
break;
case 6:
viewManager.rotateToSide(6);
break;
case 7:
viewManager.rotateToSide(7);
break;
case 8:
viewManager.rotateToSide(8);
break;
*/
}
}
else if (pickedObject != null)
{
physics.Remove(pickedForce);
pickedObject = null;
}
}
}
else if (pickedObject != null)
{
physics.Remove(pickedForce);
pickedObject = null;
touchPosition = null;
lastTouchPosition = null;
}
else
{
touchPosition = null;
}
}
public void CreateScene(int sceneNumber)
{
_physics.Clear();
_markers.Clear();
Room room = new Room(this);
_physics.Add(room);
_physics.Gravity = new Vector3(0f, 0f, -9.8f);
Model cubeModel = this.Content.Load<Model>("models/small_cube");
Model obeliskModel = this.Content.Load<Model>("models/obelisk");
Model sphereModel = this.Content.Load<Model>("models/sphere");
Model capsuleModel = this.Content.Load<Model>("models/capsule");
Model torusModel = this.Content.Load<Model>("models/torus");
Model slabModel = this.Content.Load<Model>("models/slab");
Model triangleModel = this.Content.Load<Model>("models/triangle");
switch (sceneNumber)
{
case 1:
{
for (int i = 0; i < 12; i++)
{
var cube = new SolidThing(this, cubeModel);
cube.SetWorld(new Vector3(0f, 0f, 0.25f + 0.51f * i));
_physics.Add(cube);
}
}
break;
case 2:
{
for (int i = 0; i < 7; i++)
{
for (int j = 0; j < 7 - i; j++)
{
var cube = new SolidThing(this, cubeModel);
cube.SetWorld(new Vector3(0f, 0.501f * j + 0.25f * i, 0.5f + 0.55f * i));
_physics.Add(cube);
}
}
}
break;
case 3:
{
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < 6 - i; j++)
{
var cube = new SolidThing(this, cubeModel);
cube.SetWorld(new Vector3(0f, 2.2f * j + 1f * i - 4.1f, 0.75f * i + 0.25f));
_physics.Add(cube);
}
}
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < 5 - i; j++)
{
var plank = new SolidThing(this, obeliskModel);
plank.SetWorld(new Vector3(0f, 2.2f * j + 1f * i + 1f - 4f, 0.75f * i + 0.65f),
Quaternion.CreateFromAxisAngle(Vector3.UnitZ, MathHelper.ToRadians(90f)));
_physics.Add(plank);
}
}
}
break;
case 4:
{
int size = 9;
#if WINDOWS
#else
size = 4;
#endif
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size - i; j++)
{
for (int k = 0; k < size - i; k++)
{
var sphere = new SolidThing(this, sphereModel);
sphere.SetWorld(new Vector3(
0.501f * j + 0.25f * i,
0.501f * k + 0.25f * i,
0.501f * i + 0.5f
), Quaternion.Identity);
_physics.Add(sphere);
}
}
}
}
break;
case 5:
{
var plank = new SolidThing(this, obeliskModel);
plank.SetWorld(new Vector3(0.0f, 0.0f, 4.0f),
Quaternion.CreateFromAxisAngle(Vector3.UnitY, MathHelper.ToRadians(15f)));
MassProperties immovableMassProperties = new MassProperties(float.PositiveInfinity, Matrix.Identity);
plank.MassProperties = immovableMassProperties;
_physics.Add(plank);
var sphere = new SolidThing(this, sphereModel);
sphere.SetWorld(new Vector3(-4.9f, 0.0f, 9.0f), Quaternion.Identity);
_physics.Add(sphere);
// int size = 9;
//#if WINDOWS
//#else
// size = 4;
//#endif
// var models = new Model[] { cubeModel, sphereModel };
// for (int i = 0; i < size; i++)
// {
// for (int j = 0; j < size - i; j++)
// {
// for (int k = 0; k < size - i; k++)
// {
// var sphere = new SolidThing(this, i % 2 == 0 ? sphereModel : cubeModel);
// sphere.SetWorld(new Vector3(
// 0.501f * j + 0.25f * i,
// 0.501f * k + 0.25f * i,
// 0.501f * i + 0.5f
// ), Quaternion.Identity);
// _physics.Add(sphere);
// }
// }
// }
}
break;
case 6:
{
int size = 9;
#if WINDOWS
#else
size = 4;
#endif
var models = new Model[] { cubeModel, sphereModel, capsuleModel };
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size - i; j++)
{
for (int k = 0; k < size - i; k++)
{
var sphere = new SolidThing(this, models[_rand.Next(3)]);
sphere.SetWorld(new Vector3(
0.501f * j + 0.25f * i,
0.501f * k + 0.25f * i,
1f * i + 0.5f));
_physics.Add(sphere);
}
}
}
}
break;
case 7:
{
var o = new SolidThing(this, torusModel);
o.SetWorld(new Vector3(0f, 0f, 0.5f), Quaternion.CreateFromAxisAngle(Vector3.UnitY, -MathHelper.PiOver2));
_physics.Add(o);
o = new SolidThing(this, torusModel);
o.SetWorld(new Vector3(0f, 0f, 4f), Quaternion.CreateFromAxisAngle(Vector3.UnitY, -MathHelper.PiOver4));
_physics.Add(o);
o = new SolidThing(this, slabModel);
o.SetWorld(new Vector3(-4f, 4f, 2f));
_physics.Add(o);
o = new SolidThing(this, this.Content.Load<Model>("models/cone"));
o.SetWorld(new Vector3(-4f, -4f, 1f), Quaternion.CreateFromAxisAngle(Vector3.UnitZ, MathHelper.PiOver2));
_physics.Add(o);
o = new SolidThing(this, cubeModel);
o.SetWorld(new Vector3(-4f, 6.1f, 3f));
_physics.Add(o);
}
break;
case 8:
{
RigidBody oLast = null;
for (int i = 0; i < 10; i++)
{
var o = new SolidThing(this, capsuleModel);
o.SetWorld(new Vector3(0f, 0f, 9.5f - i));
_physics.Add(o);
if (i == 0)
{
var j = new PointConstraint(o, room, new Vector3(0f, 0f, 10f));
j.IsCollisionEnabled = false;
_physics.Add(j);
}
else
{
var j = new PointConstraint(oLast, o, new Vector3(0f, 0f, 10f - (float)i));
j.IsCollisionEnabled = false;
_physics.Add(j);
}
oLast = o;
}
var a = new SolidThing(this, cubeModel);
a.SetWorld(new Vector3(1f, 0f, 0.25f));
_physics.Add(a);
var b = new SolidThing(this, cubeModel);
b.SetWorld(new Vector3(1f, 0f, 0.75f));
_physics.Add(b);
var j2 = new RevoluteJoint(b, a, new Vector3(1.25f, 0f, 0.5f), Vector3.UnitY,
0f, MathHelper.PiOver2);
j2.IsCollisionEnabled = false;
_physics.Add(j2);
a = new SolidThing(this, cubeModel);
a.SetWorld(new Vector3(1f, 1f, 0.25f));
_physics.Add(a);
b = new SolidThing(this, cubeModel);
b.SetWorld(new Vector3(1f, 1f, 0.75f));
_physics.Add(b);
var j4 = new GenericConstraint(b, a, new Frame(new Vector3(1f, 1f, 0.5f)),
Axes.All, Vector3.Zero, new Vector3(0f, 0f, 0.5f),
Axes.All, Vector3.Zero, Vector3.Zero);
j4.IsCollisionEnabled = false;
_physics.Add(j4);
a = new SolidThing(this, cubeModel);
a.SetWorld(new Vector3(1f, 2f, 0.25f));
_physics.Add(a);
b = new SolidThing(this, cubeModel);
b.SetWorld(new Vector3(1f, 2f, 0.75f));
_physics.Add(b);
var j5 = new GenericConstraint(b, a, new Frame(new Vector3(1f, 2f, 0.5f)),
Axes.All, new Vector3(-0.125f, -0.125f, 0f), new Vector3(0.125f, 0.125f, 0f),
Axes.All, Vector3.Zero, Vector3.Zero);
j5.IsCollisionEnabled = false;
_physics.Add(j5);
a = new SolidThing(this, sphereModel);
a.SetWorld(new Vector3(2f, 0f, 2f));
_physics.Add(a);
b = new SolidThing(this, sphereModel);
b.SetWorld(new Vector3(2f, 0f, 1f));
_physics.Add(b);
var g1 = new SpringForce(a, b, Vector3.Zero, Vector3.Zero, 1f, 5f, 0.05f);
_physics.Add(g1);
var j3 = new WorldPointConstraint(a, new Vector3(2f, 0f, 2f));
_physics.Add(j3);
}
break;
case 9:
{
var a = new SolidThing(this, sphereModel);
a.Skin.Remove(a.Skin[0]);
a.Skin.Add(new SpherePart(new Sphere(Vector3.Zero, 0.25f)), new Material(0f, 0.5f));
a.SetWorld(7.0f, new Vector3(0f, 0f, 5f), Quaternion.Identity);
a.MassProperties = MassProperties.Immovable;
_physics.Add(a);
_physics.Add(new SingularityForce(new Vector3(0f, 0f, 5f), 1E12f));
_physics.Gravity = Vector3.Zero;
var b = new SolidThing(this, cubeModel);
b.SetWorld(new Vector3(0f, 0f, 8f),
Quaternion.CreateFromAxisAngle(Vector3.UnitX, MathHelper.PiOver4 / 2.0f) *
Quaternion.CreateFromAxisAngle(Vector3.UnitY, MathHelper.PiOver4)
);
_physics.Add(b);
}
break;
default:
break;
}
}
