public override void UpdateViewMatrix()
{
if (this.Control == ControlType.Walk)
{
float heightOffset = crouched ? 0.0f : 0.5f;
HeightOffset = heightOffset * 0.1f + HeightOffset * 0.9f;
var undistorted = Position + Vector3.UnitY * heightOffset;
var distorted = VertexNoise.Warp(undistorted);
var noise = distorted - undistorted;
Noise = noise * 0.1f + Noise * 0.9f;
ViewMatrix = Matrix.CreateLookAt(Position + Vector3.UnitY * HeightOffset + Noise, FollowAutoTarget ? (AutoTarget * 0.5f + Target * 0.5f) : Target + Vector3.UnitY * HeightOffset + Noise, Vector3.UnitY);
}
else
{
ViewMatrix = Matrix.CreateLookAt(Position, FollowAutoTarget ? (AutoTarget * 0.5f + Target * 0.5f) : Target, Vector3.UnitY);
}
}
public void Update(ParticleManager manager, DwarfTime gameTime, ChunkManager chunks, Camera camera)
{
ParticleEmitter._camera = camera;
List <Particle> toRemove = new List <Particle>();
TriggerTimer.Update(gameTime);
if (TriggerTimer.HasTriggered && Data.ParticlesPerFrame > 0)
{
Trigger(Data.ParticlesPerFrame, Vector3.Zero, new Color(255, 255, 0));
}
bool particlePhysics = GameSettings.Default.ParticlePhysics;
foreach (Particle p in Particles)
{
float vel = p.Velocity.LengthSquared();
if (Data.EmitsLight && p.Scale > 0.1f)
{
DynamicLight.TempLights.Add(new DynamicLight(10.0f, 255.0f, false)
{
Position = p.Position
});
}
p.Position += p.Velocity * (float)gameTime.ElapsedGameTime.TotalSeconds;
if (Data.RotatesWithVelocity)
{
Vector3 cameraVel = camera.Project(p.Velocity + camera.Position);
float projectionX = cameraVel.X;
float projectionY = cameraVel.Y;
p.Angle = (float)Math.Atan2(projectionY, projectionX);
}
else
{
p.Angle += (float)(p.AngularVelocity * gameTime.ElapsedGameTime.TotalSeconds);
}
if (!Data.Sleeps || vel > 0.01f)
{
p.Velocity += Data.ConstantAccel * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
p.Velocity *= Data.LinearDamping;
p.AngularVelocity *= Data.AngularDamping;
if (!Data.UseManualControl)
{
p.LifeRemaining -= Data.ParticleDecay * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else if (p.TimeAlive > 60)
{
p.LifeRemaining = 0;
}
p.Scale += Data.GrowthSpeed * (float)gameTime.ElapsedGameTime.TotalSeconds;
p.Scale = Math.Max(p.Scale, 0.0f);
var v = new VoxelHandle(chunks.ChunkData,
GlobalVoxelCoordinate.FromVector3(p.Position));
if (Data.HasLighting)
{
if (v.IsValid)
{
p.LightRamp = new Color(v.Sunlight ? 255 : 0, 255, 0);
}
}
else
{
p.LightRamp = new Color(255, 255, 0);
}
if (Data.CollidesWorld && particlePhysics && vel > 0.2f)
{
if (v.IsValid && !v.IsEmpty)
{
BoundingBox b = new BoundingBox(p.Position - Vector3.One * p.Scale * 0.5f, p.Position + Vector3.One * p.Scale * 0.5f);
BoundingBox vBox = v.GetBoundingBox();
Physics.Contact contact = new Physics.Contact();
if (Physics.TestStaticAABBAABB(b, vBox, ref contact))
{
p.Position += contact.NEnter * contact.Penetration;
Vector3 newVelocity = Vector3.Reflect(p.Velocity, -contact.NEnter);
p.Velocity = newVelocity * Data.Damping;
p.AngularVelocity *= 0.5f;
if (Data.Sleeps)
{
p.Velocity = Vector3.Zero;
p.AngularVelocity = 0.0f;
vel = 0.0f;
}
if (!String.IsNullOrEmpty(Data.SpatterType))
{
var above = VoxelHelpers.GetVoxelAbove(v);
if (!above.IsValid || above.IsEmpty)
{
float x = MathFunctions.Clamp(p.Position.X, vBox.Min.X + 0.1f, vBox.Max.X - 0.1f);
float z = MathFunctions.Clamp(p.Position.Z, vBox.Min.Z + 0.1f, vBox.Max.Z - 0.1f);
manager.Create(Data.SpatterType,
VertexNoise.Warp(new Vector3(x, v.RampType == RampType.None ? v.WorldPosition.Y + 1.02f : v.WorldPosition.Y + 0.6f, z)), Vector3.Zero, Color.White, Vector3.Up);
}
else
{
manager.Create(Data.SpatterType, p.Position - contact.NEnter * contact.Penetration * 0.95f, Vector3.Zero, Color.White, contact.NEnter);
}
p.LifeRemaining = -1.0f;
}
}
}
}
if (p.LifeRemaining < 0)
{
if (p.InstanceData != null)
{
p.InstanceData.ShouldDraw = false;
p.InstanceData.Transform = Matrix.CreateTranslation(camera.Position + new Vector3(-1000, -1000, -1000));
Sprites[p.Frame].Remove(p.InstanceData);
}
toRemove.Add(p);
}
else if (p.InstanceData != null)
{
p.TimeAlive += (float)gameTime.ElapsedGameTime.TotalSeconds + MathFunctions.Rand() * 0.01f;
int prevFrame = p.Frame;
int newFrame = AnimPlayer.GetFrame(p.TimeAlive);
if (vel < 0.2f)
{
newFrame = prevFrame;
}
if (newFrame != prevFrame)
{
p.Frame = newFrame;
if (Sprites.Count > 0)
{
Sprites[prevFrame].Remove(p.InstanceData);
Sprites[newFrame].Add(p.InstanceData);
}
if (/*!Data.Animation.Loops && */ p.Frame == Data.Animation.Frames.Count - 1)
{
p.LifeRemaining *= 0.1f;
}
}
p.InstanceData.ShouldDraw = true;
p.InstanceData.Transform = MatrixFromParticle(Data, p);
p.InstanceData.LightRamp = p.LightRamp;
}
}
foreach (Particle p in toRemove)
{
Particles.Remove(p);
}
foreach (var sprites in Sprites)
{
sprites.Update(gameTime, camera, GameState.Game.GraphicsDevice, chunks.World.Master.MaxViewingLevel);
}
}