/**
* Creates a new circle object.
*/
public CircleObject(World world, string texturename, float density, float friction, float restitution,float myScale)
: base(world)
{
textureName = texturename;
// Initialize
this.texture = GameEngine.TextureList[texturename];
TextureFilename = texturename;
Width = texture.Width * myScale;
Height = Width;
scale = myScale;
// Determine dimension
float radius = (float)texture.Width / (2 * CASSWorld.SCALE) * scale;
// Create collision shape
CircleDef shape = new CircleDef();
shape.Radius = radius;
shape.Density = density;
shape.Friction = friction;
shape.Restitution = restitution;
shapes.Add(shape);
}
//public SensorObject(World world, Texture2D texture)
// : base(world, texture, 0, 0, 0,1,false)
public SensorObject(World world, string animTexturename, string objectTextureName, int sprWidth, int sprHeight, int animInt, int myNumFrames)
: base(world, objectTextureName, 0, 0, 0, 1, false)
{
TextureFilename = objectTextureName;
animTexture = GameEngine.TextureList[animTexturename];
animTextureName = animTexturename;
//Texture2D objectTexture = GameEngine.TextureList[objectTextureName];
//Texture2D texture = GameEngine.TextureList[texturename];
//TextureFilename = texturename;
//boundingBox = new Rectangle((int)Position.X, (int)Position.Y, (int)Height, (int)Width);
shapes[0].IsSensor = true;
animate = false;
myGameTime = 0;
animateTimer = 0;
animateInterval = animInt;
xFrame = 0;
yFrame = 0;
numFrames = myNumFrames;
spriteWidth = sprWidth;
spriteHeight = sprHeight;
sourceRect = new Rectangle(xFrame * spriteWidth, yFrame * spriteHeight, spriteWidth, spriteHeight);
origin = new Vector2(sourceRect.Width / 2, sourceRect.Height / 2);
}
/**
* Creates a new box object
*/
/*
public BoxObject(World world, Texture2D texture, float density, float friction, float restitution, float myScale, bool isPulley)
: base(world)
{
// Initialize
this.texture = texture;
scale = myScale;
if (isPulley)
BodyDef.FixedRotation = true;
// Determine dimensions
float halfWidth = ((float)texture.Width / (2 * CASSWorld.SCALE)) * scale;
float halfHeight = ((float)texture.Height / (2 * CASSWorld.SCALE)) * scale;
// Create the collision shape
PolygonDef shape = new PolygonDef();
shape.SetAsBox(halfWidth, halfHeight);
shape.Density = density;
shape.Friction = friction;
shape.Restitution = restitution;
shapes.Add(shape);
}
*/
public BoxObject(World world, string textureName, float density, float friction, float restitution, float myScale, bool isPulley)
: base(world)
{
// Initialize
//Console.WriteLine(textureName);
this.texture = GameEngine.TextureList[textureName];
TextureFilename = textureName;
Height = texture.Height * myScale;
Width = texture.Width * myScale;
boundingBox = new Rectangle((int)Position.X, (int)Position.Y, (int)Width, (int)Height);
scale = myScale;
if (isPulley)
BodyDef.FixedRotation = true;
// Determine dimensions
float halfWidth = (float)texture.Width / (2 * CASSWorld.SCALE) * scale ;
float halfHeight = (float)texture.Height / (2 * CASSWorld.SCALE) * scale;
// Create the collision shape
PolygonDef shape = new PolygonDef();
shape.SetAsBox(halfWidth, halfHeight);
shape.Density = density;
shape.Friction = friction;
shape.Restitution = restitution;
shape.UserData = textureName; // for DEBUGging purposes
shapes.Add(shape);
}
/**
* Creates a new drawn object
*/
public InstasteelObject(World world, string textureName, float amountofis, float density, float friction, float restitution, float myScale, bool isPulley)
: base(world, blobtexturename, segmenttexturename, blobs)
{
shapes.Clear();
amountOfInstasteel = amountofis;
this.texture = GameEngine.TextureList[textureName];
TextureFilename = textureName;
Height = texture.Height * myScale;
Width = texture.Width * myScale;
boundingBox = new Rectangle((int)Position.X, (int)Position.Y, (int)Width, (int)Height);
scale = myScale;
if (isPulley)
BodyDef.FixedRotation = true;
// Determine dimensions
float halfWidth = (float)texture.Width / (2 * CASSWorld.SCALE) * scale ;
float halfHeight = (float)texture.Height / (2 * CASSWorld.SCALE) * scale;
// Create the collision shape
PolygonDef shape = new PolygonDef();
shape.SetAsBox(halfWidth, halfHeight);
shape.Density = density;
shape.Friction = friction;
shape.Restitution = restitution;
shapes.Add(shape);
}
//, float headXPos,float headYPos)
public PistonObject(World world, float myEndScale, float myHeadScale, float myHeadMinVal, float myHeadMaxVal, float myEndXPos, float myEndYPos, float myTrueInc, float myFalseInc, Vector2 headPos)
: base(world, "Art\\Objects\\PistonObjects\\piston_moving", 0f, .5f, 0.0f, myHeadScale, false)
{
TextureFilename = "Art\\Objects\\PistonObjects\\piston_moving";
Console.WriteLine(" in po1 {0}", headPos);
//po = new PistonObject(world.World, .5f, .5f, 12f, 13f, 9.7f, 12.6f, .01f, .2f, gameposition);
// private static Vector2 pistonPosition = new Vector2(12f, 13.2f);
/*
endXPos = myEndXPos;
endYPos = myEndYPos;
*/
endXPos = headPos.X - 2.3f;
endYPos = headPos.Y - .6f;
Console.WriteLine(" in po2 {0} {1}", endXPos, endYPos);
//headScale = myHeadScale; needed?
//endScale = myEndScale;
endScale = myEndScale;
// headMinVal = myHeadMinVal;
//headMaxVal = myHeadMaxVal;
headMinVal = headPos.X;
headMaxVal = headPos.X + .6f;
trueInc = myTrueInc;
falseInc = myFalseInc;
adjusted = false;
}
private Transform _xf; // the body origin transform
#endregion Fields
#region Constructors
internal Body(BodyDef bd, World world)
{
_flags = 0;
if (bd.IsBullet)
{
_flags |= BodyFlags.Bullet;
}
if (bd.FixedRotation)
{
_flags |= BodyFlags.FixedRotation;
}
if (bd.AllowSleep)
{
_flags |= BodyFlags.AllowSleep;
}
if (bd.IsSleeping)
{
_flags |= BodyFlags.Sleep;
}
_world = world;
_xf.Position = bd.Position;
_xf.R.Set(bd.Angle);
_sweep.LocalCenter.SetZero();
_sweep.T0 = 1.0f;
_sweep.A0 = _sweep.A = bd.Angle;
_sweep.C0 = _sweep.C = Math.Mul(_xf, _sweep.LocalCenter);
_jointList = null;
_contactList = null;
_prev = null;
_next = null;
_linearVelocity = bd.LinearVelocity;
_angularVelocity = bd.AngularVelocity;
_linearDamping = bd.LinearDamping;
_angularDamping = bd.AngularDamping;
_force.Set(0.0f, 0.0f);
_torque = 0.0f;
_sleepTime = 0.0f;
_mass = 0;
_invMass = 0.0f;
_I = 0.0f;
_invI = 0.0f;
_type = BodyType.Static;
_userData = bd.UserData;
_fixtureList = null;
_fixtureCount = 0;
}
public PhysicsActor(World _world, Vector2 _position, float _angle = 0.0f, bool _isStatic = false)
{
BodyDef bodydef = new BodyDef();
bodydef.Position = _position;
bodydef.Angle = 0.0f;
body = _world.CreateBody(bodydef);
}
public SeeSawObject(World world, string myTexturePath, float myScale, Vector2 myPosition)
: base(world, myTexturePath, 1f, .5f, 0.0f, myScale, false)
{
hack = true;
theWholeWideWorld = world;
texturePath = myTexturePath;
TextureFilename = texturePath;
seeSawTexture = GameEngine.TextureList[texturePath];
}
/** Handles anchoring the first and last pieces of the bridge
* to the world versus to other bridge pieces
*/
private void CreateEndJoint(World world, bool leftEnd)
{
RevoluteJointDef joint = new RevoluteJointDef();
Vector2 anchor = Position - new Vector2(width/2, 0);
if (!leftEnd)
anchor = Position + new Vector2(width / 2, 0);
joint.Initialize(Body, world.GetGroundBody(), Utils.Convert(anchor));
world.CreateJoint(joint);
}
public BackgroundObject(World myWorld, ScrollingWorld myScrollingWorld, string myDisplayTextureName, Vector2 myPosition)
: base(myWorld, myDisplayTextureName, 0f, .5f, 0.0f, 1, false)
{
displayTexture = GameEngine.TextureList[myDisplayTextureName];
displayTextureName = myDisplayTextureName;
world = myScrollingWorld;
position = myPosition;
destroyedBody = false;
shapes[0].IsSensor = true;
}
public PhysicsWorld(Box2DX.Common.Vec2 gravity, Box2DX.Common.Vec2 worldLowerBound, Box2DX.Common.Vec2 worldUpperBound)
{
AABB bound = new AABB();
bound.LowerBound.Set(worldLowerBound.X, worldLowerBound.Y);
bound.UpperBound.Set(worldUpperBound.X, worldUpperBound.Y);
world = new World(bound, gravity, true);
Engine.Physics.ContactListener listener = new Engine.Physics.ContactListener();
world.SetContactListener(listener);
}
public static Box Create(
World world, float positionX, float positionY, float width, float height, float density, float friction)
{
var result = new Box();
result.Width = width;
result.Height = height;
result.Density = density;
result.Color = System.Drawing.Color.White;
result.CreatePhysics(world, positionX, positionY, friction);
return result;
}
public CASSWorld(float width, float height, Vector2 gravity)
{
// Create the world's axis-aligned bounding box
AABB aabb = new AABB();
aabb.LowerBound = new Vec2(-MARGIN, -MARGIN);
aabb.UpperBound = new Vec2(width + MARGIN, height + MARGIN);
world = new World(aabb, Utils.Convert(gravity), true);
succeeded = failed = false;
}
public static Circle Create(
World world, float positionX, float positionY, float radius, float density, float friction)
{
var result = new Circle();
result.Radius = radius;
result.Density = density;
result.Color = System.Drawing.Color.White;
result.RadiusColor = Helper.GetRandomColor();
result.CreatePhysics(world, positionX, positionY, friction);
return result;
}
private void CreatePhysicsWorld(PhysicsWorld2D physicsWorld)
{
AABB worldAABB = new AABB();
worldAABB.LowerBound.Set(-10000, -10000);
worldAABB.UpperBound.Set(10000, 10000);
Vec2 gravity = physicsWorld.Gravity;
Box2DX.Dynamics.World world = new Box2DX.Dynamics.World(worldAABB, gravity, false);
physicsWorld.World = world;
physicsWorld.SetBulletListner();
}
public Test()
{
AABB aabb = new AABB();
aabb.UpperBound = new UnityEngine.Vector2(100,100);
aabb.LowerBound = new UnityEngine.Vector2(-100,-100);
World world = new World(aabb, new Vector2(0, -1), false);
BodyDef groundBodyDef = new BodyDef();
groundBodyDef.Position.Set(0, 0);
PolygonShape groundBox = new PolygonShape();
groundBox.SetAsBox(10, 1);
Body body = new Body(groundBodyDef, world);
}
public InGameState()
{
//position the score display centered at the top
ScoreDisplay.CharacterSize = 90;
ScoreDisplay.DisplayedString = InGameState.WinCount0.ToString();
float leftSize = ScoreDisplay.GetLocalBounds().Width;
ScoreDisplay.DisplayedString += " : ";
float midSize = ScoreDisplay.GetLocalBounds().Width - leftSize;
ScoreDisplay.DisplayedString += InGameState.WinCount1.ToString();
ScoreDisplay.Origin = new Vector2(leftSize + 0.5f * midSize, 0f);
ScoreDisplay.Position = new Vector2(Constants.windowSizeX / 2 , Constants.windowSizeY / 14);
ScoreDisplay.Color = new SFML.Graphics.Color(200, 255, 200);
AABB aabb = new AABB();
aabb.LowerBound.Set(0.0f, 0.0f);
aabb.UpperBound.Set(800, 600/*Constants.worldSizeX * Constants.screenRatio*/);
physicsWorld = new World(aabb, new Vec2(0.0f, -9.81f), false);
contactManager = Physics.ContactManager.g_contactManager;
physicsWorld.SetContactListener(contactManager);
// Set new Players and appending dekoHands
ResetPlayers();
setDekoFlags();
//0xF0A58A4
groundPolygonAct = new Actors.PolygonActor(physicsWorld, new Vec2(0.0f, 15.0f), 0xFBA58A4, Actors.FunctionType.GradientNoise, 4);
BackgroundBackSprite = new Sprite(AssetManager.getTexture(AssetManager.TextureName.InGameBackGroundBack));
BackgroundBackSprite.Scale = new Vector2(Constants.windowSizeX / (float)BackgroundBackSprite.TextureRect.Width, Constants.windowSizeY / (float)BackgroundBackSprite.TextureRect.Height);//0.5F * Vector2.One;
BackgroundFrontSprite = new Sprite(AssetManager.getTexture(AssetManager.TextureName.InGameBackGroundFront));
BackgroundFrontSprite.Scale = BackgroundBackSprite.Scale;
//left and right borders of the map
BodyDef bodydef = new BodyDef();
bodydef.Position = new Vector2(0,0);
bodydef.Angle = 0.0f;
PolygonDef box = new PolygonDef();
box.SetAsBox(1f, Constants.worldSizeY);
Body leftEdge = physicsWorld.CreateBody(bodydef);
contactManager.addNonLethalShape(leftEdge.CreateShape(box));
bodydef.Position = new Vector2(Constants.worldSizeX-1, 0);
Body rightEdge = physicsWorld.CreateBody(bodydef);
contactManager.addNonLethalShape(rightEdge.CreateShape(box));
bodydef.Position = new Vector2(0, Constants.worldSizeY);
box.SetAsBox(Constants.worldSizeX, 1f);
Body topEdge = physicsWorld.CreateBody(bodydef);
contactManager.addNonLethalShape(topEdge.CreateShape(box));
}
protected override void CreatePhysics(World world, float positionX, float positionY, float friction)
{
var bodyDef = new BodyDef();
bodyDef.Position.Set(positionX, positionY);
this.body = world.CreateBody(bodyDef);
var shapeDef = new PolygonDef();
shapeDef.SetAsBox(this.Width, this.Height);
shapeDef.Density = this.Density;
shapeDef.Friction = friction;
shapeDef.Restitution = 0.3f;
this.body.CreateShape(shapeDef);
this.body.SetMassFromShapes();
}
public FanObject(World world, Texture2D mytexture, Texture2D objectTexture)
: base(world, objectTexture, 0f, .5f, 0.0f, 1, false)
{
//animation stuff
myGameTime = 0;
animateTimer = 0;
animateInterval = 20;
animTexture = mytexture;
xFrame = 0;
yFrame = 0;
spriteWidth = 200;
spriteHeight = 200;
sourceRect = new Rectangle(xFrame * spriteWidth, yFrame * spriteHeight, spriteWidth, spriteHeight);
origin = new Vector2(sourceRect.Width / 2, sourceRect.Height / 2);
}
/// <summary>
/// ワールドを初期化
/// </summary>
/// <param name="worldRect">適用範囲</param>
/// <param name="gravity">重力</param>
public World(RectF worldRect, Vector2F gravity)
{
physicsCollider = new List <PhysicsColliderNode>();
collisionController = new CollisionController(this);
AABB aabb = new AABB();
aabb.LowerBound = worldRect.Position.ToB2Vector();
aabb.UpperBound = (worldRect.Position + worldRect.Size).ToB2Vector();
B2World = new Box2DX.Dynamics.World(aabb, gravity.ToB2Vector(false), true);
B2World.SetContactListener(collisionController);
B2World.SetContactFilter(new ContactFilter());
TimeStep = 1.0f / 60.0f;
VelocityItetions = 8;
PositionIterations = 1;
}
protected override void CreatePhysics(World world, float positionX, float positionY, float friction)
{
var bodyDef = new BodyDef();
bodyDef.Position.Set(positionX, positionY);
bodyDef.LinearDamping = 0.3f;
bodyDef.AngularDamping = 0.6f;
var circleDef = new CircleDef();
circleDef.Density = this.Density;
circleDef.Radius = this.Radius * 0.5f;
circleDef.Friction = friction;
circleDef.Restitution = 0.3f;
this.body = world.CreateBody(bodyDef);
this.body.CreateShape(circleDef);
this.body.SetMassFromShapes();
}
public HackObject(World world, int myWidth, int myHeight, int myX, int myY, float myFriction)
: base(world)
{
width = myWidth;
height = myHeight;
x = myX;
y = myY;
float halfWidth = width / (2 * CASSWorld.SCALE);
float halfHeight = height / (2 * CASSWorld.SCALE);
PolygonDef shape = new PolygonDef();
shape.SetAsBox(halfWidth, halfHeight);
shape.Friction = myFriction;
shapes.Add(shape);
BodyDef.Position.X = x;
BodyDef.Position.Y = y;
}
/**
* Creates a new rope bridge with plank texture 'texture'
* at height y, from x-position x1 to x-position x2, using
* specified density, friction, and restitution coefficient.
*/
public RopeBridge(World world, Texture2D texture, float y, float x1, float x2, float density, float friction, float restitution)
: base(world, "DISABLED", density, friction, restitution, 1, false)
{
width = texture.Width / CASSWorld.SCALE;
int nLinks = (int)((x2 - x1) / width);
if (nLinks <= 0)
{
Position = new Vector2(x2, y);
return;
}
spacing = (x2 - x1) - nLinks * width;
spacing /= nLinks;
Position = new Vector2(x1, y);
children.Add(new RopeBridge(world, texture, y, x1 + width + spacing, x2, density, friction, restitution));
}
public HoleObject(World world, string animTexturename, string objectTexturename)
: base(world, objectTexturename, 0f, .5f, 0.0f,1,false)
{
//thisTexture = mytexture;
texture = GameEngine.TextureList[objectTexturename];
TextureFilename = objectTexturename;
animTexture = GameEngine.TextureList[animTexturename];
animTextureName = animTexturename;
//animation stuff
myGameTime = 0;
animateTimer = 0;
animateInterval = 40;
xFrame = 0;
yFrame = 0;
spriteWidth = 800;
spriteHeight = 500;
sourceRect = new Rectangle(xFrame * spriteWidth, yFrame * spriteHeight, spriteWidth, spriteHeight);
origin = new Vector2(sourceRect.Width / 2, sourceRect.Height / 2);
}
public AnimationObject(World world, string animTexturename, string objectTexturename, int sprWidth, int sprHeight, int animInt, int myNumFrames, bool hasBody, bool deathObject)
: base(world, objectTexturename, 0f, .5f, 0.0f, 1, false)
{
animTextureName = animTexturename;
//Console.WriteLine("***" + animTexturename + "***");
animTexture = GameEngine.TextureList[animTexturename];
myGameTime = 0;
animateTimer = 0;
animateInterval = animInt;
xFrame = 0;
yFrame = 0;
numFrames = myNumFrames;
spriteWidth = sprWidth;
spriteHeight = sprHeight;
sourceRect = new Rectangle(xFrame * spriteWidth, yFrame * spriteHeight, spriteWidth, spriteHeight);
origin = new Vector2(sourceRect.Width / 2, sourceRect.Height / 2);
this.hasBody = hasBody;
this.deathObject = deathObject;
}
public FailButtonObject(World world, string mytexturename, string objectTexturename, int sprWidth, int sprHeight, int animInt, int myNumFrames)
: base(world, objectTexturename, 0f, .5f, 0.0f, .5f, false)
{
animTexture = GameEngine.TextureList[mytexturename];
animTextureName = mytexturename;
TextureFilename = objectTexturename;
deadCosmo = false;
myGameTime = 0;
animateTimer = 0;
animateInterval = animInt;
//animTexture = mytexture;
xFrame = 0;
yFrame = 0;
numFrames = myNumFrames;
spriteWidth = sprWidth;
spriteHeight = sprHeight;
sourceRect = new Rectangle(xFrame * spriteWidth, yFrame * spriteHeight, spriteWidth, spriteHeight);
origin = new Vector2(sourceRect.Width / 2, sourceRect.Height / 2);
}
public static void CreateMound(World world, float x, float y, float friction, float restitution)
{
// ==== Mound ====
BodyDef moundBodyDef = new BodyDef();
moundBodyDef.Position.Set(x, y);
// Mound body.
Body moundBody = world.CreateBody(moundBodyDef);
// Define shape.
PolygonDef moundShapeDef = new PolygonDef();
moundShapeDef.VertexCount = 3;
moundShapeDef.Vertices[0].Set(0.20f, 0f);
moundShapeDef.Vertices[1].Set(0f, 0.025f);
moundShapeDef.Vertices[2].Set(-0.20f, 0f);
moundShapeDef.Friction = friction;
moundShapeDef.Restitution = restitution;
moundShapeDef.Filter.CategoryBits = 0x3;
// Add shape to body.
moundBody.CreateShape(moundShapeDef);
}
/**
* Creates a new polygon object.
* Uses a divide-and-conquer algorithm
* to triangulate the polygon, since triangles
* are guaranteed to be convex, a Box2DX
* requirement. Colinear consecutive points
* are okay, but the polygon must be simple -
* i.e. no crossing edges.
*/
public PolygonObject(World world, Vector2[] points, Texture2D texture, float density, float friction, float restitution)
: base(world)
{
this.texture = texture;
Height = texture.Height;
Width = texture.Width;
TextureFilename = texture.Name;
Debug.Assert(points.Length >= 3);
LinkedList<int> polygon = new LinkedList<int>();
for (int i = 0; i < points.Length; i++)
polygon.AddLast(i);
// Triangles generated
List<Vector2[]> triangles = new List<Vector2[]>();
Split(polygon, points, triangles);
CreateShapes(triangles, density, friction, restitution);
CreateDrawable(triangles);
}
/**
* Creates a new box object
*/
public MovingObject(World world, string texturename, float density, float friction, float restitution, float myScale, bool isPulley, SwitchObject mySwitch, Vector2 myForce, float bound1, float bound2)
: base(world)
{
BodyDef.FixedRotation = true;
texture = GameEngine.TextureList[texturename];
TextureFilename = texturename;
Height = texture.Height * myScale;
Width = texture.Width * myScale;
boundingBox = new Rectangle((int)Position.X, (int)Position.Y, (int)Width, (int)Height);
this.bound1 = bound1;
this.bound2 = bound2;
this.myForce = myForce;
this.mySwitch = mySwitch;
BodyDef.IsBullet = true;
// Initialize
this.texture = texture;
scale = myScale;
if (isPulley)
BodyDef.FixedRotation = true;
// Determine dimensions
float halfWidth = ((float)texture.Width / (2 * CASSWorld.SCALE)) * scale;
float halfHeight = ((float)texture.Height / (2 * CASSWorld.SCALE)) * scale;
// Create the collision shape
PolygonDef shape = new PolygonDef();
shape.SetAsBox(halfWidth, halfHeight);
shape.Density = density;
shape.Friction = friction;
shape.Restitution = restitution;
shapes.Add(shape);
isMoving = false;
}
private void SetupJointsHelper(World world)
{
if (children.Count == 0)
{
//If there are no children left, set up the final plank and stop recursing
CreateEndJoint(world, false);
return;
}
//nextBoard is the next piece of the bridge
RopeBridge nextBoard = children[0] as RopeBridge;
// Attach this board's body to nextBoard's body with a joint
/////////////////////////////////////////////////
RevoluteJointDef joint = new RevoluteJointDef();
Vector2 anchor = Position + new Vector2(width / 2, 0);
joint.Initialize(Body, nextBoard.Body, Utils.Convert(anchor));
world.CreateJoint(joint);
/////////////////////////////////////////////////
nextBoard.SetupJointsHelper(world);
}
public PhysicsWorld(Box2DX.Common.Vec2 gravity, AABB worldBoundaries)
{
world = new World(worldBoundaries, gravity, true);
Engine.Physics.ContactListener listener = new Engine.Physics.ContactListener();
world.SetContactListener(listener);
}
public static Car Create(World world, float positionX, float positionY, float width, float height)
{
float poleHeightCarHeightRatio = 0.7f;
var car = new Car();
car.Width = width;
car.Height = height;
float carHeight = height * (1.0f - poleHeightCarHeightRatio);
float bodyHeightWheelHeightRatio = 0.4f;
float bodyHeight = carHeight * bodyHeightWheelHeightRatio;
float wheelRadius = carHeight - bodyHeight;
float bodyDensity = 1.5f;
float wheelDensity = 0.4f;
float wheelFriction = 0.9f;
var poleDensity = 0.2f;
float poleWidth = car.Width / 10.0f;
float poleHeight = car.Height * poleHeightCarHeightRatio;
car.CarBody = Box.Create(world, positionX, positionY, car.Width, bodyHeight, bodyDensity);
car.FrontWheel = Circle.Create(
world,
positionX - car.Width + wheelRadius / 2.0f,
positionY - car.CarBody.Height,
wheelRadius,
wheelDensity,
wheelFriction);
car.BackWheel = Circle.Create(
world,
positionX + car.Width - wheelRadius / 2.0f,
positionY - car.CarBody.Height,
wheelRadius,
wheelDensity,
wheelFriction);
car.Pole = Box.Create(
world, positionX, positionY + bodyHeight*1f + poleHeight, poleWidth, poleHeight, poleDensity);
car.BodyColor = Helper.GetRandomColor();
car.WheelsColor = Helper.GetRandomColor();
car.Pole.Color = Helper.GetRandomColor();
car.CreatePhysics(world,positionX, positionY);
return car;
}
protected override void CreatePhysics(World world, float positionX, float positionY)
{
var frontWheelJointDef = new RevoluteJointDef();
frontWheelJointDef.Initialize(CarBody.Body, FrontWheel.Body, FrontWheel.Body.GetWorldCenter());
frontWheelJoint = (RevoluteJoint)world.CreateJoint(frontWheelJointDef);
var backWheelJointDef = new RevoluteJointDef();
backWheelJointDef.Initialize(CarBody.Body, BackWheel.Body, BackWheel.Body.GetWorldCenter());
backWheelJoint = (RevoluteJoint)world.CreateJoint(backWheelJointDef);
var poleJointDef = new RevoluteJointDef();
var anchor = this.Pole.Body.GetWorldCenter();
anchor.Y -= Pole.Height ;
poleJointDef.CollideConnected = false;
poleJointDef.EnableLimit = true;
poleJointDef.LowerAngle = Helper.DegreesToRad(-90);
poleJointDef.UpperAngle = Helper.DegreesToRad(90);
poleJointDef.Initialize(CarBody.Body, Pole.Body, anchor);
poleJoint = (RevoluteJoint)world.CreateJoint(poleJointDef);
}
/*
* @param _funcType Style of the top line that generated
* @param _res Size of mapunits for one linear segment
* */
public PolygonActor(World _world, Vector2 _position, uint _seed, FunctionType _funcType, int _res = 5)
: base(_world, _position)
{
int lineCount = (int)Constants.worldSizeX / _res;
//make sure to have an even number
if (lineCount % 2 != 0) lineCount++;
Vec2[] verts = new Vec2[(int)lineCount + 1 + 4];
vertexBuffer = new VertexArray(PrimitiveType.LinesStrip);
Vector2 posScreen = _position.toScreenCoord();
//repeatable random sequenze
Rand rnd = new Rand(_seed);
//start and end have even ground
verts[0] = new Vec2(0, 6);
verts[1] = new Vec2(_res, 6);
verts[2] = new Vec2(_res + _res, 6);
verts[lineCount - 2] = new Vec2(_res * (lineCount - 2), 6);
verts[lineCount-1] = new Vec2(_res * (lineCount-1), 6);
verts[lineCount] = new Vec2(_res * lineCount, 6);
vertexBuffer.Append(new Vertex(((Vector2)verts[0] + _position).toScreenCoord()));
//create the function
if (_funcType == FunctionType.Simple)
{
for (int i = 2; i <= lineCount; ++i)
{
//Vector2 pos = new Vec2(i * 5, 10 + Rand.IntValue(10));
Vector2 pos = new Vec2(i * _res, System.Math.Max((verts[i - 1].Y + (int)rnd.next(6) - 3), 0));
verts[i] = pos;
}
}
else if(_funcType == FunctionType.GradientNoise)
{
for (int i = 2; i < lineCount-3;)
{
int nextGrad = i + 4;
if (nextGrad < lineCount - 2)
{
verts[nextGrad] = new Vec2(nextGrad * _res, rnd.next((int)maxHeight));
}
else nextGrad = lineCount - 2;
//interpolate between
float relativeA = verts[i].Y / maxHeight;
float relativeB = verts[nextGrad].Y / maxHeight;
for (int c = i + 1; c < nextGrad; ++c)
{
verts[c] = new Vec2(c * _res, maxHeight * interpolateCos(relativeA, relativeB, (float)(c - i) / 4));
}
i = nextGrad;
}
}
Array.Resize<Body>(ref triangleBodys, lineCount);
PolygonDef triangleDef = new PolygonDef();
triangleDef.Density = 0.0f;
triangleDef.Friction = 1.0f;
triangleDef.VertexCount = 3;
BodyDef bodydef = new BodyDef();
bodydef.Position = _position;
bodydef.Angle = 0.0f;
//convert to triangles
for (int i = 0; i < lineCount; ++i)
{
//always 3 points of the function form a triangle
triangleDef.Vertices[0] = verts[i];
triangleDef.Vertices[1] = verts[i] - new Vec2(0.0f, 50.0f);
triangleDef.Vertices[2] = verts[i + 1];//.Y < verts[i+1].Y ? verts[i] : verts[i + 1]
triangleBodys[i] = _world.CreateBody(bodydef);
triangleBodys[i].CreateShape(triangleDef);
vertexBuffer.Append(new Vertex(((Vector2)verts[i+1] + _position).toScreenCoord()));
}
}