public Spider(World world, PhysicsGameScreen screen, Vector2 position)
{
//Load bodies
_circle = BodyFactory.CreateCircle(world, SpiderBodyRadius, 0.1f, position);
_circle.BodyType = BodyType.Dynamic;
//Left upper leg
_leftUpper = BodyFactory.CreateRectangle(world, _upperLegSize.X, _upperLegSize.Y, 0.1f,
_circle.Position - new Vector2(SpiderBodyRadius, 0f) -
new Vector2(_upperLegSize.X / 2f, 0f));
_leftUpper.BodyType = BodyType.Dynamic;
//Left lower leg
_leftLower = BodyFactory.CreateRectangle(world, _lowerLegSize.X, _lowerLegSize.Y, 0.1f,
_circle.Position - new Vector2(SpiderBodyRadius, 0f) -
new Vector2(_upperLegSize.X, 0f) -
new Vector2(_lowerLegSize.X / 2f, 0f));
_leftLower.BodyType = BodyType.Dynamic;
//Right upper leg
_rightUpper = BodyFactory.CreateRectangle(world, _upperLegSize.X, _upperLegSize.Y, 0.1f,
_circle.Position + new Vector2(SpiderBodyRadius, 0f) +
new Vector2(_upperLegSize.X / 2f, 0f));
_rightUpper.BodyType = BodyType.Dynamic;
//Right lower leg
_rightLower = BodyFactory.CreateRectangle(world, _lowerLegSize.X, _lowerLegSize.Y, 0.1f,
_circle.Position + new Vector2(SpiderBodyRadius, 0f) +
new Vector2(_upperLegSize.X, 0f) +
new Vector2(_lowerLegSize.X / 2f, 0f));
_rightLower.BodyType = BodyType.Dynamic;
//Create joints
JointFactory.CreateRevoluteJoint(world, _circle, _leftUpper, new Vector2(_upperLegSize.X / 2f, 0f));
_leftShoulderAngleJoint = JointFactory.CreateAngleJoint(world, _circle, _leftUpper);
_leftShoulderAngleJoint.MaxImpulse = 3f;
JointFactory.CreateRevoluteJoint(world, _circle, _rightUpper, new Vector2(-_upperLegSize.X / 2f, 0f));
_rightShoulderAngleJoint = JointFactory.CreateAngleJoint(world, _circle, _rightUpper);
_rightShoulderAngleJoint.MaxImpulse = 3f;
JointFactory.CreateRevoluteJoint(world, _leftUpper, _leftLower, new Vector2(_lowerLegSize.X / 2f, 0f));
_leftKneeAngleJoint = JointFactory.CreateAngleJoint(world, _leftUpper, _leftLower);
_leftKneeAngleJoint.MaxImpulse = 3f;
JointFactory.CreateRevoluteJoint(world, _rightUpper, _rightLower, new Vector2(-_lowerLegSize.X / 2f, 0f));
_rightKneeAngleJoint = JointFactory.CreateAngleJoint(world, _rightUpper, _rightLower);
_rightKneeAngleJoint.MaxImpulse = 3;
_screen = screen;
//GFX
AssetCreator creator = _screen.ScreenManager.Assets;
_torso = new Sprite(creator.CircleTexture(SpiderBodyRadius, MaterialType.Waves, Color.Gray, 1f));
_upperLeg = new Sprite(creator.TextureFromShape(_leftUpper.FixtureList[0].Shape,
MaterialType.Blank, Color.DimGray, 1f));
_lowerLeg = new Sprite(creator.TextureFromShape(_leftLower.FixtureList[0].Shape,
MaterialType.Blank, Color.DarkSlateGray, 1f));
}
private void CreateGFX()
{
AssetCreator creator = _screen.ScreenManager.Assets;
_face = new Sprite(creator.CircleTexture(0.9f, MaterialType.Squares, Color.Gray, 1f));
_torso = new Sprite(creator.TextureFromVertices(PolygonTools.CreateRoundedRectangle(2f, 4f, 0.5f, 0.7f, 2),
MaterialType.Squares, Color.LightSlateGray, 0.8f));
_upperArm = new Sprite(creator.TextureFromVertices(PolygonTools.CreateCapsule(1.9f, 0.45f, 16),
MaterialType.Squares, Color.DimGray, 0.8f));
_lowerArm = new Sprite(creator.TextureFromVertices(PolygonTools.CreateCapsule(1.9f, 0.45f, 16),
MaterialType.Squares, Color.DarkSlateGray, 0.8f));
_upperLeg = new Sprite(creator.TextureFromVertices(PolygonTools.CreateCapsule(2f, 0.5f, 16),
MaterialType.Squares, Color.DimGray, 0.8f));
_lowerLeg = new Sprite(creator.TextureFromVertices(PolygonTools.CreateCapsule(2f, 0.5f, 16),
MaterialType.Squares, Color.DarkSlateGray, 0.8f));
}
public Agent(World world, PhysicsGameScreen screen, Vector2 position)
{
_collidesWith = Category.All;
_collisionCategories = Category.All;
_agentBody = BodyFactory.CreateBody(world, position);
_agentBody.BodyType = BodyType.Dynamic;
//Center
FixtureFactory.AttachCircle(0.5f, 0.5f, _agentBody);
//Left arm
FixtureFactory.AttachRectangle(1.5f, 0.4f, 1f, new Vector2(-1f, 0f), _agentBody);
FixtureFactory.AttachCircle(0.5f, 0.5f, _agentBody, new Vector2(-2f, 0f));
//Right arm
FixtureFactory.AttachRectangle(1.5f, 0.4f, 1f, new Vector2(1f, 0f), _agentBody);
FixtureFactory.AttachCircle(0.5f, 0.5f, _agentBody, new Vector2(2f, 0f));
//Top arm
FixtureFactory.AttachRectangle(0.4f, 1.5f, 1f, new Vector2(0f, 1f), _agentBody);
FixtureFactory.AttachCircle(0.5f, 0.5f, _agentBody, new Vector2(0f, 2f));
//Bottom arm
FixtureFactory.AttachRectangle(0.4f, 1.5f, 1f, new Vector2(0f, -1f), _agentBody);
FixtureFactory.AttachCircle(0.5f, 0.5f, _agentBody, new Vector2(0f, -2f));
_screen = screen;
//GFX
AssetCreator creator = _screen.ScreenManager.Assets;
_box = new Sprite(creator.TextureFromVertices(PolygonTools.CreateRectangle(1.75f, 0.2f),
MaterialType.Blank, Color.White, 1f));
_knob = new Sprite(creator.CircleTexture(0.5f, MaterialType.Blank, Color.Orange, 1f));
_offset = ConvertUnits.ToDisplayUnits(2f);
}
public Objects(World world, PhysicsGameScreen screen, Vector2 startPosition, Vector2 endPosition, int count,
float radius, ObjectType type)
{
_bodies = new List <Body>(count);
CollidesWith = Category.All;
CollisionCategories = Category.All;
for (int i = 0; i < count; ++i)
{
switch (type)
{
case ObjectType.Circle:
_bodies.Add(BodyFactory.CreateCircle(world, radius, 1f));
break;
case ObjectType.Rectangle:
_bodies.Add(BodyFactory.CreateRectangle(world, radius, radius, 1f));
break;
case ObjectType.Star:
_bodies.Add(BodyFactory.CreateGear(world, radius, 10, 0f, 1f, 1f));
break;
case ObjectType.Gear:
_bodies.Add(BodyFactory.CreateGear(world, radius, 10, 100f, 1f, 1f));
break;
}
}
for (int i = 0; i < _bodies.Count; ++i)
{
Body body = _bodies[i];
body.BodyType = BodyType.Dynamic;
body.Position = Vector2.Lerp(startPosition, endPosition, i / (float)(count - 1));
body.Restitution = .7f;
body.Friction = .2f;
body.CollisionCategories = CollisionCategories;
body.CollidesWith = CollidesWith;
}
_screen = screen;
//GFX
AssetCreator creator = _screen.ScreenManager.Assets;
switch (type)
{
case ObjectType.Circle:
_object = new Sprite(creator.CircleTexture(radius, MaterialType.Dots, Color.DarkRed, 0.8f));
break;
case ObjectType.Rectangle:
_object =
new Sprite(creator.TextureFromVertices(PolygonTools.CreateRectangle(radius / 2f, radius / 2f),
MaterialType.Dots, Color.Blue, 0.8f));
break;
case ObjectType.Star:
_object = new Sprite(creator.TextureFromVertices(PolygonTools.CreateGear(radius, 10, 0f, 1f),
MaterialType.Dots, Color.Yellow, 0.8f));
break;
case ObjectType.Gear:
_object = new Sprite(creator.TextureFromVertices(PolygonTools.CreateGear(radius, 10, 100f, 1f),
MaterialType.Dots, Color.DarkGreen, 0.8f));
break;
}
}
