public override void Tick(float dt)
{
base.Tick(dt);
GamePadData data = GamePad.GetData(0);
float analogX = 0.0f;
float analogY = 0.0f;
//d-pad movement,emulating analog movement of the sticks
if (Input2.GamePad0.Right.Down)
{
analogX = 1.0f;
}
else if (Input2.GamePad0.Left.Down)
{
analogX = -1.0f;
}
if (Input2.GamePad0.Up.Down)
{
analogY = -1.0f;
}
else if (Input2.GamePad0.Down.Down)
{
analogY = 1.0f;
}
//if the left stick is moving,then use values read from the stick
if (data.AnalogLeftX > 0.2f || data.AnalogLeftX < -0.2f || data.AnalogLeftY > 0.2f || data.AnalogLeftY < -0.2f)
{
analogX = data.AnalogLeftX;
analogY = data.AnalogLeftY;
}
//calculate the position
Position = new Vector2(Position.X + analogX / 10f, Position.Y - analogY / 10f);
//rotate according to the right analog stick, or if it's not moving, then according the the left stick
// so basically if you are not pointing the player in any direction with the right stick he is going to point in the walking direction
//or if both sticks are not moving,then use the analogX and analogY values(d-pad movement)
if (data.AnalogRightX > 0.2f || data.AnalogRightX < -0.2f || data.AnalogRightY > 0.2f || data.AnalogRightY < -0.2f)
{
var angleInRadians = FMath.Atan2(-data.AnalogRightX, -data.AnalogRightY);
Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
else if (data.AnalogLeftX > 0.2f || data.AnalogLeftX < -0.2f || data.AnalogLeftY > 0.2f || data.AnalogLeftY < -0.2f)
{
var angleInRadians = FMath.Atan2(-data.AnalogLeftX, -data.AnalogLeftY);
Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
else if (analogX != 0.0f || analogY != 0.0f)
{
var angleInRadians = FMath.Atan2(-analogX, -analogY);
Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
}
public void Move(Vector2 moveFactor)
{
float angle = FMath.Atan2(moveFactor.X, moveFactor.Y);
float rotateFactor = ((0 - angle - this.Angle - (FMath.PI / 2.0f)));
while (rotateFactor < -2 * FMath.PI)
{
rotateFactor += 2 * FMath.PI;
}
while (rotateFactor > 2 * FMath.PI)
{
rotateFactor -= 2 * FMath.PI;
}
if (rotateFactor > FMath.PI)
{
rotateFactor -= 2 * FMath.PI;
}
else if (rotateFactor < -FMath.PI)
{
rotateFactor += 2 * FMath.PI;
}
rotateFactor /= 20.0f;
//System.Console.WriteLine("rotateFactor = "+(rotateFactor*20.0f*FMath.RadToDeg)+", angle = "+(angle*FMath.RadToDeg)+", this.Angle = "+(this.Angle*FMath.RadToDeg));
Rotate(rotateFactor);
}
public Vec3f ToEuler()
{
float phi = FMath.Atan2(2.0f * (x * y + z * w), 1.0f - 2.0f * (y * y + z * z));
float theta = FMath.Asin(2.0f * (x * z - w * y));
float psi = FMath.Atan2(2.0f * (x * w + y * z), 1.0f - 2.0f * (z * z + w * w));
return(new Vec3f(phi, theta, psi));
}
private static float AngleBetweenEdges(int prev, int current, int next, V[] vertices)
{
var vec1 = vertices[prev].position - vertices[current].position;
var vec2 = vertices[next].position - vertices[current].position;
var result = FMath.Atan2(vec2.Y, vec2.X) - FMath.Atan2(vec1.Y, vec1.X);
return(result < 0 ? FMath.TwoPi + result : result);
}
public override void Move()
{
powerStnPos = powerstation.Position;
if (point1 != true)
{
powerStnPos.Y = shipHeight / 2;
}
// Step 2 - move towards the player by calculating the vector between the Boid and the player
Vector3 diff = Vector3.Subtract(powerStnPos, position);
if (diff.Length() > 1)
{
velocity += Vector3.Normalize(diff) / 10;
}
// Calculate the rotation angle of this Boid (for drawing) using Atan2
if ((velocity.X != 0) || (velocity.Y != 0))
{
rotation = FMath.Atan2(velocity.Y, velocity.X);
}
// Slow this Boid down if it's going too fast
float velLength = velocity.Length();
if (velLength > speed)
{
velocity = velocity.Normalize();
velocity *= speed;
}
//stop the motion of the ship.
if (point1)
{
stpDist = 15000;
}
else
{
stpDist = 100;
}
if (Vector3.DistanceSquared(position, powerStnPos) < stpDist)
{
velocity *= 0;
if (point1 == false)
{
point1 = true;
}
}
// Update the position of the Boid based on its velocity
position += velocity;
sprite.Position = position;
sprite.Rotation = rotation;
}
public override void Move()
{
//I want this to follow the MotherShip, but I am not sure of any good way to do this.
vectorPos = playership.Position;
// Step 1 - avoid your neighbors
avoidNeighbors(enemyList);
// Step 2 - move towards the player by calculating the vector between the Boid and the player
Vector3 diff = Vector3.Subtract(vectorPos, Pos);
if (diff.Length() > 1)
{
velocity += Vector3.Normalize(diff) / 10;
}
// Calculate the rotation angle of this Boid (for drawing) using Atan2
if ((velocity.X != 0) || (velocity.Y != 0))
{
rotation = FMath.Atan2(velocity.Y, velocity.X);
}
// Slow this Boid down if it's going too fast
float velLength = velocity.Length();
if (velLength > speed)
{
velocity = velocity.Normalize();
velocity *= speed;
}
//stop the motion of the ship.
if (Vector3.DistanceSquared(Pos, vectorPos) < 5000)
{
velocity *= 0;
}
// Update the position of the Boid based on its velocity
position += velocity;
sprite.Position = position;
sprite.Rotation = rotation;
}
public void TestAtan2()
{
var y = Fixed.FromInt(0);
var x = Fixed.FromInt(1);
var r = Fixed.FromFloat(0);
AssertApproximately(r, FMath.Atan2(y, x));
y = Fixed.FromInt(0);
x = Fixed.FromInt(-1);
r = Fixed.FromFloat((float)Math.PI);
AssertApproximately(r, FMath.Atan2(y, x));
y = Fixed.FromInt(1);
x = Fixed.FromInt(0);
r = Fixed.FromFloat((float)Math.PI / 2);
AssertApproximately(r, FMath.Atan2(y, x));
y = Fixed.FromFloat(1.54513f);
x = Fixed.FromFloat(-1.65673f);
r = Fixed.FromFloat(2.390926f); // 2.3910351266f is more accurate value
AssertApproximately(r, FMath.Atan2(y, x));
}
public void Update(Vector2 centrePos, Vector2 rotation)
{
sprite.Position = centrePos;
sprite.Angle = -(float)FMath.Atan2(rotation.X, rotation.Y);
}
public override void Tick(float dt)
{
base.Tick(dt);
GamePadData data = GamePad.GetData(0);
float analogX = 0.0f;
float analogY = 0.0f;
//d-pad movement,emulating analog movement of the sticks
if (Input2.GamePad0.Right.Down)
{
analogX = 1.0f;
}
else if (Input2.GamePad0.Left.Down)
{
analogX = -1.0f;
}
if (Input2.GamePad0.Up.Down)
{
analogY = -1.0f;
}
else if (Input2.GamePad0.Down.Down)
{
analogY = 1.0f;
}
//if the left stick is moving,then use values read from the stick
if (data.AnalogLeftX > 0.2f || data.AnalogLeftX < -0.2f || data.AnalogLeftY > 0.2f || data.AnalogLeftY < -0.2f)
{
analogX = data.AnalogLeftX;
analogY = data.AnalogLeftY;
}
//calculate the position
/*if(analogX>0)
* {
* Position = new Vector2 (Position.X + 0.1f, Position.Y);
* }else if(analogX<0)
* {
* Position = new Vector2 (Position.X - 0.1f, Position.Y);
* }
*
* if(analogY>0)
* {
* Position = new Vector2 (Position.X + Position.Y- 0.1f);
* }else if(analogY<0)
* {
* Position = new Vector2 (Position.X, Position.Y + 0.1f);
* }*/
Vector2 proposedChange;
if (analogX != 0.0f)
{
proposedChange = new Vector2(analogX / 10f, 0.0f);
if (!Collisions.checkWallsCollisions(this, MapManager.Instance.currentMap, ref proposedChange))
{
Position += proposedChange;
}
}
if (analogY != 0.0f)
{
proposedChange = new Vector2(0.0f, -analogY / 10f);
if (!Collisions.checkWallsCollisions(this, MapManager.Instance.currentMap, ref proposedChange))
{
Position += proposedChange;
}
}
//rotate according to the right analog stick, or if it's not moving, then according the the left stick
// so basically if you are not pointing the player in any direction with the right stick he is going to point in the walking direction
//or if both sticks are not moving,then use the analogX and analogY values(d-pad movement)
// OR do autoaim if enabled
if (data.AnalogRightX > 0.2f || data.AnalogRightX < -0.2f || data.AnalogRightY > 0.2f || data.AnalogRightY < -0.2f)
{
var angleInRadians = FMath.Atan2(-data.AnalogRightX, -data.AnalogRightY);
playerBodySprite.Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
else if (!Game.autoAim && (data.AnalogLeftX > 0.2f || data.AnalogLeftX < -0.2f || data.AnalogLeftY > 0.2f || data.AnalogLeftY < -0.2f))
{
var angleInRadians = FMath.Atan2(-data.AnalogLeftX, -data.AnalogLeftY);
playerBodySprite.Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
else if (!Game.autoAim && (analogX != 0.0f || analogY != 0.0f))
{
var angleInRadians = FMath.Atan2(-analogX, -analogY);
playerBodySprite.Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
else if (Game.autoAim)
{
GameEntity e;
if (Collisions.findNearestEnemy(Player.Instance, 8.0f, out e))
{
Vector2 distance = (Player.Instance.Position - e.Position).Normalize();
var angleInRadians = FMath.Atan2(distance.X, -distance.Y);
playerBodySprite.Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
else
{
var angleInRadians = FMath.Atan2(-analogX, -analogY);
playerBodySprite.Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
}
}
}
public BasicEnemy(Vector2 pos, TextureInfo tex)
{
Position = pos;
sprite = new SpriteTile();
sprite.TextureInfo = tex;
sprite.Position = pos;
sprite.TileIndex2D = new Vector2i(0, 0);
sprite.CenterSprite(new Vector2(0.4f, 0.5f));
sprite.Scale = new Vector2(2.0f, 2.0f);
//set up the random vector
randomMovement = Support.rand.NextVector2(-0.01f, 0.01f);
//update the animation frames
sprite.Schedule((dt) => {
if (FrameCount % 2 == 0)
{
//if attacking,use all animation frames
if (attacking)
{
//deal damage to the player
if (FrameCount % damageDelay == 0)
{
Player.Instance.Health -= damage;
}
animationFrame = (animationFrame + 1) % 25;
}
else
{
//if not,then use first three animation frames
animationFrame = (animationFrame + 1) % 4;
}
//assign the correct tileindex
sprite.TileIndex1D = animationFrame;
//if close to the player,then follow,otherwise move randomly
if (Player.Instance.Position.Distance(sprite.Position) < 6.0f &&
Collisions.checkLineOfSight(this, Player.Instance))
{
isMovingRandomly = false;
step = (Player.Instance.Position - sprite.Position).Normalize() / 15.0f;
//check if should be attacking
if (Collisions.checkCollisionBetweenEntities(this, Player.Instance))
{
//check if is not attacking already
if (attacking == false)
{
attacking = true;
//manualy skip the frames
animationFrame = 4;
}
}
else
{
//make sure that attacking is set to false
attacking = false;
}
}
else
{
//player is not within range, move randomly
isMovingRandomly = true;
step = randomMovement;
}
}
//advance the position by the given Vector2 step
sprite.Position += step;
//only move when not attacking
if (!attacking)
{
//collision detection on the X axis
//create a vector 2 containing a proposed change to the position
Vector2 proposedChange = new Vector2(step.X, 0.0f) * speedModifier;
//temporary game entity to contain the entity the enemy might have collided with
GameEntity tempEntity;
//check wall collisions and then collisions with other enemies
if (!Collisions.checkWallsCollisions(this, MapManager.Instance.currentMap, ref proposedChange) && !Collisions.efficientCollisionsCheck(this, proposedChange, out tempEntity))
{
//no collision, so we can change the position
Position += proposedChange / speedModifier;
}
else if (isMovingRandomly)
{
//collided with something,but if the enemy should be moving randomly, then let it move
randomMovement.X = -randomMovement.X;
}
//collision detection on the Y axis
proposedChange = new Vector2(0.0f, step.Y) * speedModifier;
if (!Collisions.checkWallsCollisions(this, MapManager.Instance.currentMap, ref proposedChange) && !Collisions.efficientCollisionsCheck(this, proposedChange, out tempEntity))
{
Position += proposedChange / speedModifier;
}
else if (isMovingRandomly)
{
randomMovement.Y = -randomMovement.Y;
}
//position changed, so we need to remove the entity from the QuadTree and add again
//this is because the entity might be in the wrong place in the QuadTree and removing and re-adding is the only way to fix that
Game.Instance.quadTree.removeEntity(this);
Game.Instance.quadTree.insert(this);
}
//rotate the sprite to face the direction of walking
var angleInRadians = -FMath.Atan2(step.X, step.Y);
sprite.Rotation = new Vector2(FMath.Cos(angleInRadians), FMath.Sin(angleInRadians));
//correct for the fact that the sprite is rotated in the texture file
sprite.Rotation = sprite.Rotation.Rotate(90.0f);
}, -1);
//create a shadow texture - temporarily disabled
//SpriteUV shadow = new SpriteUV(new TextureInfo(Bullet.fireTexture));
//shadow.CenterSprite(new Vector2(0.5f,0.5f));
//shadow.Color = Sce.PlayStation.HighLevel.GameEngine2D.Base.Math.SetAlpha(Colors.Black,0.5f);
//calculate the bounds for the entire sprite
bounds = new Bounds2();
sprite.GetlContentLocalBounds(ref bounds);
bounds = new Bounds2(bounds.Min * 0.5f, bounds.Max * 0.5f);
}
//Update player V2.1 @AS
public void Update(Vector2 gravity, Vector2 rotate, Vector2 movement, bool invert, bool falling, Vector2 additionalForces)
{
duckRotation = -(float)FMath.Atan2(rotate.X, rotate.Y);
sprite.Angle = duckRotation; //Rotate the duck so it's always facing upright
Vector2 tempDir; //Initalise the interchangable temp vector
if (!falling)
{
if (!invert)
{
if (additionalForces != new Vector2(0.0f, 0.0f))
{
tempDir = movement * 5 * additionalForces; //Normal movement caused by tilting the device
}
else
{
tempDir = movement * 5;
}
}
else
{
if (additionalForces != new Vector2(0.0f, 0.0f))
{
tempDir = movement * 5 * additionalForces; //Normal movement caused by tilting the device
}
else
{
tempDir = movement * 5;
}
}
}
else
{
if (gravVelocity > -1.0f) //If he isn't moving backwards from a collision
{
tempDir = new Vector2(gravity.X, gravity.Y); //Normal gravity
}
else
{
if (invert) //If inverted
{
tempDir = new Vector2(gravity.X, -gravity.Y); //Rebound in the Y axis (SIDES)
}
else
{
tempDir = new Vector2(-gravity.X, gravity.Y); //Else rebound in the X axis (FLOOR)
}
}
if (gravVelocity < maxGrav) //Increase the gravity velocity
{
if (gravVelocity > -0.5f && gravVelocity < 0.5f)
{
gravVelocity = 1f;
}
else if (gravVelocity > 1f)
{
gravVelocity += gravSpeed / 3;
}
else
{
gravVelocity += gravSpeed;
}
}
}
Vector2 velocityChange = new Vector2((tempDir.X * gravVelocity) + additionalForces.X, (tempDir.Y * gravVelocity) + additionalForces.Y);
//Move the player
sprite.Position = new Vector2(sprite.Position.X + velocityChange.X, sprite.Position.Y + velocityChange.Y);
momentum = velocityChange.Length() * mass;
}