public override void Init()
{
mouse = new THREE.Vector2();
raycaster = new THREE.Raycaster();
offset = new THREE.Vector3();
allObjects = new THREE.Mesh[] { };
CreateCamera();
CreateScene();
CreateBoxes();
plane = new THREE.Mesh(
new THREE.PlaneBufferGeometry(2000.0, 2000.0, 8.0, 8.0),
new THREE.MeshBasicMaterial() { color = 0x000000, opacity = 0.25, transparent = true }
);
plane.visible = false;
scene.add(plane);
CreateRenderer();
renderer.domElement.OnMouseMove = this.onDocumentMouseMove;
renderer.domElement.OnMouseDown = this.onDocumentMouseDown;
renderer.domElement.OnMouseUp = this.onDocumentMouseUp;
CreateTrackball();
}
public override void Init()
{
mouse = new THREE.Vector2();
raycaster = new THREE.Raycaster();
offset = new THREE.Vector3();
allObjects = new THREE.Mesh[] { };
CreateCamera();
CreateScene();
CreateBoxes();
plane = new THREE.Mesh(
new THREE.PlaneBufferGeometry(2000.0, 2000.0, 8.0, 8.0),
new THREE.MeshBasicMaterial()
{
color = 0x000000, opacity = 0.25, transparent = true
}
);
plane.visible = false;
scene.add(plane);
CreateRenderer();
renderer.domElement.OnMouseMove = this.onDocumentMouseMove;
renderer.domElement.OnMouseDown = this.onDocumentMouseDown;
renderer.domElement.OnMouseUp = this.onDocumentMouseUp;
CreateTrackball();
}
void onDocumentMouseDown(Event arg)
{
if (!IsActive)
{
return;
}
MouseEvent e = arg.As <MouseEvent>();
e.PreventDefault();
THREE.Vector3 vector = new THREE.Vector3(mouse.x, mouse.y, 0.5).unproject(camera);
var raycaster = new THREE.Raycaster(camera.position, vector.sub(camera.position).normalize());
THREE.Intersection[] intersects = raycaster.intersectObjects(allObjects);
if (intersects.Length > 0)
{
THREE.Intersection interSec = intersects[0];
THREE.Mesh m = interSec.Object as THREE.Mesh;
if (m != null)
{
controls.enabled = false;
selected = m;
intersects = raycaster.intersectObject(plane);
offset.copy(interSec.point).sub(plane.position);
Container.Style.Cursor = Cursor.Move;
}
}
}
/// <summary>
/// This is a javascript application.
/// </summary>
/// <param name="page">HTML document rendered by the web server which can now be enhanced.</param>
public Application(IApp page = null)
{
// 20140704 no balls shown?
// broken?
// view-source:http://www.mrdoob.com/lab/javascript/beachballs/
//Action Toggle = DiagnosticsConsole.ApplicationContent.BindKeyboardToDiagnosticsConsole();
var origin = new THREE.Vector3(0, 15, 0);
var isMouseDown = false;
var renderer = new THREE.WebGLRenderer(
new
{
antialias = true,
alpha = false
});
renderer.setClearColor(new THREE.Color(0x101010));
renderer.domElement.AttachToDocument();
// scene
var camera = new THREE.PerspectiveCamera(
40,
Native.window.aspect, 1,
1000
);
camera.position.x = -30;
camera.position.y = 10;
camera.position.z = 30;
camera.lookAt(new THREE.Vector3(0, 10, 0));
#region AtResize
Action AtResize = delegate
{
camera.aspect = (double)Native.window.aspect;
camera.updateProjectionMatrix();
renderer.setSize(Native.window.Width, Native.window.Height);
};
Native.window.onresize +=
delegate
{
AtResize();
};
AtResize();
#endregion
var scene = new THREE.Scene();
var light = new THREE.HemisphereLight(0xffffff, 0x606060, 1.2);
light.position.set(-10, 10, 10);
scene.add(light);
{
var geometry = new THREE.CubeGeometry(20, 20, 20);
var material = new THREE.MeshBasicMaterial(
new { wireframe = true, opacity = 0.1, transparent = true });
var mesh = new THREE.Mesh(geometry, material);
mesh.position.y = 10;
scene.add(mesh);
}
var intersectionPlane = new THREE.Mesh(new THREE.PlaneGeometry(20, 20, 8, 8));
intersectionPlane.position.y = 10;
intersectionPlane.visible = false;
scene.add(intersectionPlane);
// geometry
var ballGeometry = new THREE.Geometry();
var ballMaterial = new THREE.MeshPhongMaterial(
new __MeshPhongMaterialDictionary
{
vertexColors = THREE.FaceColors,
specular = 0x808080,
shininess = 2000
}
);
//
var colors = new[] {
new THREE.Color( 0xe52b30 ),
new THREE.Color( 0xe52b30 ),
new THREE.Color( 0x2e1b6a ),
new THREE.Color( 0xdac461 ),
new THREE.Color( 0xf07017 ),
new THREE.Color( 0x38b394 ),
new THREE.Color( 0xeaf1f7 )
};
var amount = colors.Length;
var geometryTop = new THREE.SphereGeometry(1, 5 * amount, 2, 0, Math.PI * 2.0, 0, 0.30);
for (var j = 0; j < geometryTop.faces.Length; j++)
{
geometryTop.faces[j].color = colors[0];
}
THREE.GeometryUtils.merge(ballGeometry, geometryTop);
var geometryBottom = new THREE.SphereGeometry(1, 5 * amount, 2, 0, Math.PI * 2, Math.PI - 0.30, 0.30);
for (var j = 0; j < geometryBottom.faces.Length; j++)
{
geometryBottom.faces[j].color = colors[0];
}
THREE.GeometryUtils.merge(ballGeometry, geometryBottom);
{
var sides = amount - 1;
var size = (Math.PI * 2) / sides;
for (var i = 0; i < sides; i++)
{
var patch = new THREE.SphereGeometry(1, 5, 10, i * size, size, 0.30, Math.PI - 0.60);
for (var j = 0; j < patch.faces.Length; j++)
{
patch.faces[j].color = colors[i + 1];
}
THREE.GeometryUtils.merge(ballGeometry, patch);
}
}
// physics
var world = new CANNON.World();
world.broadphase = new CANNON.NaiveBroadphase();
world.gravity.set(0, -15, 0);
world.solver.iterations = 7;
world.solver.tolerance = 0.1;
var groundShape = new CANNON.Plane();
var groundMaterial = new CANNON.Material();
var groundBody = new CANNON.RigidBody(0, groundShape, groundMaterial);
groundBody.quaternion.setFromAxisAngle(new CANNON.Vec3(1, 0, 0), -Math.PI / 2.0);
world.add(groundBody);
var planeShapeXmin = new CANNON.Plane();
var planeXmin = new CANNON.RigidBody(0, planeShapeXmin, groundMaterial);
planeXmin.quaternion.setFromAxisAngle(new CANNON.Vec3(0, 1, 0), Math.PI / 2.0);
planeXmin.position.set(-10, 0, 0);
world.add(planeXmin);
var planeShapeXmax = new CANNON.Plane();
var planeXmax = new CANNON.RigidBody(0, planeShapeXmax, groundMaterial);
planeXmax.quaternion.setFromAxisAngle(new CANNON.Vec3(0, 1, 0), -Math.PI / 2.0);
planeXmax.position.set(10, 0, 0);
world.add(planeXmax);
var planeShapeYmin = new CANNON.Plane();
var planeZmin = new CANNON.RigidBody(0, planeShapeYmin, groundMaterial);
planeZmin.position.set(0, 0, -10);
world.add(planeZmin);
var planeShapeYmax = new CANNON.Plane();
var planeZmax = new CANNON.RigidBody(0, planeShapeYmax, groundMaterial);
planeZmax.quaternion.setFromAxisAngle(new CANNON.Vec3(0, 1, 0), Math.PI);
planeZmax.position.set(0, 0, 10);
world.add(planeZmax);
var ballBodyMaterial = new CANNON.Material();
world.addContactMaterial(new CANNON.ContactMaterial(groundMaterial, ballBodyMaterial, 0.2, 0.5));
world.addContactMaterial(new CANNON.ContactMaterial(ballBodyMaterial, ballBodyMaterial, 0.2, 0.8));
var spheres = new Queue<THREE.Mesh>();
var bodies = new Queue<CANNON.RigidBody>();
Func<double> random = new Random().NextDouble;
#region addBall
Action<double, double, double> addBall = (x, y, z) =>
{
x = Math.Max(-10, Math.Min(10, x));
y = Math.Max(5, y);
z = Math.Max(-10, Math.Min(10, z));
var size = 1.25;
var sphere = new THREE.Mesh(ballGeometry, ballMaterial);
sphere.scale.multiplyScalar(size);
//sphere.useQuaternion = true;
scene.add(sphere);
spheres.Enqueue(sphere);
var sphereShape = new CANNON.Sphere(size);
var sphereBody = new CANNON.RigidBody(0.1, sphereShape, ballBodyMaterial);
sphereBody.position.set(x, y, z);
var q = new
{
a = random() * 3.0,
b = random() * 3.0,
c = random() * 3.0,
d = random() * 3.0
};
Console.WriteLine("addBall " + new { x, y, z, q });
//sphereBody.quaternion.set(q.a, q.b, q.c, q.d);
world.add(sphereBody);
bodies.Enqueue(sphereBody);
};
#endregion
for (var i = 0; i < 100; i++)
{
addBall(
random() * 10 - 5,
random() * 20,
random() * 10 - 5
);
}
//
var projector = new THREE.Projector();
var ray = new THREE.Raycaster();
var mouse3D = new THREE.Vector3();
Native.Document.body.ontouchstart +=
e =>
{
e.preventDefault();
isMouseDown = true;
};
Native.Document.body.ontouchmove +=
e =>
{
e.preventDefault();
};
Native.Document.body.ontouchend +=
e =>
{
e.preventDefault();
isMouseDown = false;
};
#region onmousemove
Native.document.body.onmousedown +=
e =>
{
e.preventDefault();
isMouseDown = true;
};
Native.document.body.onmouseup +=
e =>
{
e.preventDefault();
isMouseDown = false;
if (e.MouseButton == IEvent.MouseButtonEnum.Middle)
{
if (Native.Document.pointerLockElement == Native.Document.body)
{
// cant requestFullscreen while pointerLockElement
Console.WriteLine("exitPointerLock");
Native.Document.exitPointerLock();
Native.Document.exitFullscreen();
return;
}
Console.WriteLine("requestFullscreen");
Native.Document.body.requestFullscreen();
Native.Document.body.requestPointerLock();
return;
}
};
Native.document.body.onmousemove +=
e =>
{
mouse3D.set(
((double)e.CursorX / (double)Native.window.Width) * 2 - 1,
-((double)e.CursorY / (double)Native.window.Height) * 2 + 1,
0.5
);
projector.unprojectVector(mouse3D, camera);
ray.set(camera.position, mouse3D.sub(camera.position).normalize());
var intersects = ray.intersectObject(intersectionPlane);
if (intersects.Length > 0)
{
origin.copy(intersects[0].point);
}
};
#endregion
#region removeBall
Action removeBall = delegate
{
scene.remove(spheres.Dequeue());
world.remove(bodies.Dequeue());
};
#endregion
var sw0 = Stopwatch.StartNew();
var sw = Stopwatch.StartNew();
//var time = Native.window.performance.now();
//var lastTime = Native.window.performance.now();
#region animate
Action render =
delegate
{
var delta = sw.ElapsedMilliseconds;
sw.Restart();
//time = Native.window.performance.now();
camera.position.x = -Math.Cos(sw.ElapsedMilliseconds * 0.0001) * 40;
camera.position.z = Math.Sin(sw.ElapsedMilliseconds * 0.0001) * 40;
camera.lookAt(new THREE.Vector3(0, 10, 0));
intersectionPlane.lookAt(camera.position);
world.step(delta * 0.001);
//lastTime = time;
for (var i = 0; i < spheres.Count; i++)
{
var sphere = spheres.ElementAt(i);
var body = bodies.ElementAt(i);
sphere.position.copy(body.position);
sphere.quaternion.copy(body.quaternion);
}
renderer.render(scene, camera);
};
Native.window.onframe += delegate
{
if (isMouseDown)
{
if (spheres.Count > 200)
{
removeBall();
}
addBall(
origin.x + (random() * 4.0 - 2),
origin.y + (random() * 4.0 - 2),
origin.z + (random() * 4.0 - 2)
);
}
render();
};
#endregion
}
void onDocumentMouseDown(Event arg)
{
if (!IsActive) return;
MouseEvent e = arg.As<MouseEvent>();
e.PreventDefault();
THREE.Vector3 vector = new THREE.Vector3(mouse.x, mouse.y, 0.5).unproject(camera);
var raycaster = new THREE.Raycaster(camera.position, vector.sub(camera.position).normalize());
THREE.Intersection[] intersects = raycaster.intersectObjects(allObjects);
if (intersects.Length > 0 )
{
THREE.Intersection interSec = intersects[0];
THREE.Mesh m = interSec.Object as THREE.Mesh;
if (m != null)
{
controls.enabled = false;
selected = m;
intersects = raycaster.intersectObject(plane);
offset.copy(interSec.point).sub(plane.position);
Container.Style.Cursor = Cursor.Move;
}
}
}
/// <summary>
/// Abstract method to get intersections between a casted ray and this object.
/// Subclasses such as Mesh, Line, and Points implement this method in order to participate in raycasting.
/// </summary>
/// <param name="?"></param>
/// <param name="?"></param>
public void raycast(THREE.Raycaster r, object intersects)
{
}
