public override void Start()
{
simulation = this.GetSimulation();
simulation.Gravity = new Vector3(0, -9, 0);
cubeRigidBody = cube.Get<RigidbodyComponent>();
cubeRigidBody.CanSleep = false;
sphereRigidBody = sphere.Get<RigidbodyComponent>();
sphereRigidBody.CanSleep = false;
// Create the UI
constraintNameBlock = new TextBlock
{
Font = Font,
TextSize = 55,
TextColor = Color.White,
};
constraintNameBlock.SetCanvasPinOrigin(new Vector3(0.5f, 0.5f, 0));
constraintNameBlock.SetCanvasRelativePosition(new Vector3(0.5f, 0.83f, 0));
Entity.Get<UIComponent>().Page = new UIPage
{
RootElement = new Canvas
{
Children =
{
constraintNameBlock,
CreateButton("Next", Font, 1),
CreateButton("Previous", Font, -1)
}
}
};
// Create and initialize constraint
PhysicsSampleList.Add(CreatePoint2PointConstraint);
PhysicsSampleList.Add(CreateHingeConstraint);
PhysicsSampleList.Add(CreateGearConstraint);
PhysicsSampleList.Add(CreateSliderConstraint);
PhysicsSampleList.Add(CreateConeTwistConstraint);
PhysicsSampleList.Add(CreateGeneric6DoFConstraint);
PhysicsSampleList[constraintIndex]();
//Add a script for the slider constraint, to apply an impulse on collision
cubeRigidBody.ProcessCollisions = true;
Script.AddTask(async () =>
{
while (Game.IsRunning)
{
var collision = await cubeRigidBody.NewCollision();
if (!(currentConstraint is SliderConstraint)) continue;
if (collision.ColliderA != sphereRigidBody && collision.ColliderB != sphereRigidBody) continue;
sphereRigidBody.LinearVelocity = Vector3.Zero; //clear any existing velocity
sphereRigidBody.ApplyImpulse(new Vector3(-25, 0, 0)); //fire impulse
}
});
}
public override async Task Execute()
{
spriteSheet = BulletSheet;
agentSpriteComponent = Entity.Get<SpriteComponent>();
var animComponent = Entity.Get<AnimationComponent>();
PlayingAnimation playingAnimation = null;
// Calculate offset of the bullet from the Agent if he is facing left and right side // TODO improve this
var bulletOffset = new Vector3(1.3f, 1.65f, 0f);
// Initialize game entities
if (!IsLiveReloading)
{
shootDelayCounter = 0f;
isAgentFacingRight = true;
currentAgentAnimation = AgentAnimation.Idle;
}
CurrentAgentAnimation = currentAgentAnimation;
var normalScaleX = Entity.Transform.Scale.X;
var bulletCS = BulletColliderShape;
Task animTask = null;
while (Game.IsRunning)
{
await Script.NextFrame();
var inputState = GetKeyboardInputState();
if (inputState == InputState.None)
inputState = GetPointerInputState();
if (inputState == InputState.RunLeft || inputState == InputState.RunRight)
{
// Update Agent's position
var dt = (float)Game.UpdateTime.Elapsed.TotalSeconds;
Entity.Transform.Position.X += ((inputState == InputState.RunRight) ? AgentMoveDistance : -AgentMoveDistance) * dt;
if (Entity.Transform.Position.X < -gameWidthHalfX)
Entity.Transform.Position.X = -gameWidthHalfX;
if (Entity.Transform.Position.X > gameWidthHalfX)
Entity.Transform.Position.X = gameWidthHalfX;
isAgentFacingRight = inputState == InputState.RunRight;
// If agent face left, flip the sprite
Entity.Transform.Scale.X = isAgentFacingRight ? normalScaleX : -normalScaleX;
// Update the sprite animation and state
CurrentAgentAnimation = AgentAnimation.Run;
if (playingAnimation == null || playingAnimation.Name != "Run")
{
playingAnimation = animComponent.Play("Run");
}
}
else if (inputState == InputState.Shoot)
{
if(animTask != null && !animTask.IsCompleted) continue;
if (animTask != null && animTask.IsCompleted) playingAnimation = null;
animTask = null;
var rb = new RigidbodyComponent { CanCollideWith = CollisionFilterGroupFlags.CustomFilter1, CollisionGroup = CollisionFilterGroups.DefaultFilter };
rb.ColliderShapes.Add(new ColliderShapeAssetDesc { Shape = bulletCS });
// Spawns a new bullet
var bullet = new Entity
{
new SpriteComponent { SpriteProvider = SpriteFromSheet.Create(spriteSheet, "bullet") },
rb,
new BeamScript()
};
bullet.Name = "bullet";
bullet.Transform.Position = (isAgentFacingRight) ? Entity.Transform.Position + bulletOffset : Entity.Transform.Position + (bulletOffset * new Vector3(-1, 1, 1));
bullet.Transform.UpdateWorldMatrix();
SceneSystem.SceneInstance.Scene.Entities.Add(bullet);
rb.LinearFactor = new Vector3(1, 0, 0);
rb.AngularFactor = new Vector3(0, 0, 0);
rb.ApplyImpulse(isAgentFacingRight ? new Vector3(25, 0, 0) : new Vector3(-25, 0, 0));
// Start animation for shooting
CurrentAgentAnimation = AgentAnimation.Shoot;
if (playingAnimation == null || playingAnimation.Name != "Attack")
{
playingAnimation = animComponent.Play("Attack");
animTask = playingAnimation.Ended();
}
}
else
{
CurrentAgentAnimation = AgentAnimation.Idle;
if (playingAnimation == null || playingAnimation.Name != "Stance")
{
playingAnimation = animComponent.Play("Stance");
}
}
}
}
