private void updateParticle2(float step_time, Particle p, cWorld world)
{
p.Vel.Y += (Constants.GRAVITY * 40.0f * (step_time * step_time));
// p.Vel.X *= p.SlowDown;
// p.Vel.Y *= p.SlowDown;
AppMath.Vec2Truncate(ref p.Vel, p.MaxSpeed);
//world.collideParticleSAT(p, step_time, false);
//p.Heading = cAppMath.Vec2NormalizeReturn(p.Vel);
p.LastPos = p.Pos;
p.Pos.X += p.Vel.X * step_time;
p.Pos.Y += p.Vel.Y * step_time;
if (!AppMath.Vec2IsZero(p.Vel))
{
p.Heading = AppMath.Vec2NormalizeReturn(p.Vel);
p.Rotation = (float)AppMath.GetAngleOfVector(p.Heading);
}
world.collideParticleRayTrace(p, step_time);
p.Opacity -= p.Fade * step_time;
}
public override void Update(float step_time)
{
cWorld world = particleManager.Scene.World;
for (int i = 0; i < pool.CountActive; ++i)
{
Particle p = pool.get(i);
if (!p.Intersects)
{
/*
* p.Dims.Y += p.ScaleSpeed * step_time; //+=
* p.Dims.y += p.ScaleSpeed * step_time; //+=
*/
AppMath.Vec2Truncate(ref p.Vel, p.MaxSpeed * 1.5f);
p.Vel.Y += (Constants.GRAVITY * 40.0f * (step_time * step_time));
p.Vel.X *= p.SlowDown;
p.Vel.Y *= p.SlowDown;
//p.Heading = cAppMath.Vec2NormalizeReturn(p.Vel);
p.LastPos = p.Pos;
p.Pos.X += p.Vel.X * step_time;
p.Pos.Y += p.Vel.Y * step_time;
if (!AppMath.Vec2IsZero(p.Vel))
{
p.Heading = AppMath.Vec2NormalizeReturn(p.Vel);
p.Rotation = (float)AppMath.GetAngleOfVector(p.Heading);
}
world.collideParticleRayTrace(p, step_time);
}
p.Opacity -= p.Fade * step_time;
if (p.Opacity <= 0.0f)
{
p.Opacity = 0.0f;
pool.deactivate(i);
}
p.Color.A = (byte)p.Opacity;
}
}
private void init(Vector2f pos, Vector2f emit_direction)
{
this.pickedUp = pulling = false;
this.heading = emit_direction;
this.renderer = pickup.Renderer.DeepCopy();
this.Bounds = new AABB();
this.Bounds.SetDims(this.pickup.HitRectSize);
this.Bounds.SetPosByCenter(pos);
this.HitCollisionRect = Bounds.ShallowCopy();
this.MaxSpeed = EMIT_SPEED * 2; //*2
this.mass = 100.0f;
this.velocity.X = this.heading.X * EMIT_SPEED;
this.velocity.Y = this.heading.Y * EMIT_SPEED;
orientation = AppMath.GetAngleOfVector(heading);
}
/// <summary>
///
/// </summary>
/// <param name="scene"></param>
/// <param name="pos">position</param>
/// <param name="owner">owner gameobject ex. cCharacter</param>
/// <param name="direction">normalized vector of direction</param>
public cBullet(cGameObject owner, BulletBreed breed, Vector2f pos, Vector2f direction) : base(owner.Scene, pos)
{
this.owner = owner;
this.breed = breed;
this.alive = true;
this.alpha = 255.0f;
// proci határozza meg, hogy milyen alaplap foglalat és milyen RAM!!
this.heading = direction;
this.Bounds = new AABB();
this.Bounds.SetDims(new Vector2f(1.0f, 1.0f));
this.oppositeDir = new Vector2f(-this.heading.X * breed.slugLength, -this.heading.Y * breed.slugLength);
this.intersection = new Vector2f(0.0f, 0.0f);
this.Bounds.SetPosByTopLeft(pos);
this.velocity.X = this.heading.X * breed.startSpeed;
this.velocity.Y = this.heading.Y * breed.startSpeed;
orientation = AppMath.GetAngleOfVector(heading);
this.sprite = new Sprite(this.breed.sprite); // bullet_yellow_sm; bullet_light_gree
this.sprite.Rotation = (float)AppMath.RadianToDegress(this.orientation);
}
/// <summary>
/// Main update protocol.
/// </summary>
/// <param name="step_time"></param>
/// <param name="p"></param>
/// <param name="world"></param>
private void updateParticle1(float step_time, Particle p, cWorld world)
{
// Particle's update code comes here.
p.Dims.X += p.ScaleSpeed * step_time; //+=
p.Dims.Y += p.ScaleSpeed * step_time; //+=
if (AppMath.Vec2Length(p.Dims) < 0.5f)
{
p.Dims.X = 0.0f;
p.Dims.Y = 0.0f;
}
p.Vel.Y += (Constants.GRAVITY * 40.0f * (step_time * step_time));
p.Vel.X *= p.SlowDown;
p.Vel.Y *= p.SlowDown;
AppMath.Vec2Truncate(ref p.Vel, p.MaxSpeed * 1.5f);
// world.collideParticleSAT(p, step_time, false);
//p.Heading = cAppMath.Vec2NormalizeReturn(p.Vel);
p.LastPos = p.Pos;
p.Pos.X += p.Vel.X * step_time;
p.Pos.Y += p.Vel.Y * step_time;
if (!AppMath.Vec2IsZero(p.Vel))
{
p.Heading = AppMath.Vec2NormalizeReturn(p.Vel);
p.Rotation = (float)AppMath.GetAngleOfVector(p.Heading);
}
world.collideParticleRayTrace(p, step_time);
p.Opacity -= p.Fade * step_time;
}
public override bool Fire(Vector2f target)
{
if (this.isReadForNextShot())
{
Vector2f dir = AppMath.Vec2NormalizeReturn(target - owner.Bounds.center);
float dirAngle = (float)AppMath.GetAngleOfVector(dir);
float unitAngle = spread / bulletsPerShot;
float tangle = dirAngle - ((bulletsPerShot / 2.0f) * unitAngle);
for (int i = 0; i < bulletsPerShot; ++i)
{
tangle += i * unitAngle;
//Vector2f toSpreadTarget = cAppMath.GetRandomVecBySpread(dir, spread);
Vector2f toSpreadTarget = new Vector2f((float)Math.Cos(tangle), (float)Math.Sin(tangle));
this.Shot(toSpreadTarget);
}
owner.Scene.Assets.PlaySound("shotgun", 3);
return(true);
}
return(false);
}
public override void Update(float step_time)
{
this.renderer.Update(step_time);
cPlayer player = Scene.Player;
if (this.pulling)
{
Vector2f predicted = AppMath.Vec2NormalizeReturn((player.Bounds.center + (player.Velocity * step_time)) - this.Bounds.center);
// pull pickup
//Vector2f toPlayer = cAppMath.Vec2NormalizeReturn(player.Bounds.center - this.Bounds.center);
// G * ((m1*m2) / (d*d))
float f = PULL_FORCE * 150f; // * (100000.0f / ( d*d) );
this.AddForce(predicted * f);
}
/*
* else
* {
* this.pulling = false;
* }
*/
// applying some gravity
force.Y += (false == pulling) ? (Constants.GRAVITY * 40.0f * step_time) : 0.0f;
velocity.X += force.X * step_time;
velocity.Y += force.Y * step_time;
//velocity.X = Math.Abs(velocity.X) < 0.05f ? 0.0f : velocity.X;
//velocity.Y = Math.Abs(velocity.Y) < 0.05f ? 0.0f : velocity.Y;
double len = AppMath.Vec2Length(velocity);
if (len < 0.1)
{
velocity = new Vector2f(0.0f, 0.0f);
}
AppMath.Vec2Truncate(ref velocity, MaxSpeed);
// get more precise result calling it here (because of the updated velocity)
// instead of calling at the beginning of this update method
checkCollisionWithWorld(step_time);
lastPosition = position;
position.X += velocity.X * step_time;
position.Y += velocity.Y * step_time;
Bounds.SetPosByCenter(position);
this.hitCollisionRect = Bounds;
if (!AppMath.Vec2IsZero(velocity))
{
heading = AppMath.Vec2NormalizeReturn(velocity);
orientation = AppMath.GetAngleOfVector(heading);
}
force = new Vector2f(0.0f, 0.0f);
}
public static void DrawDirLightByDVec(RenderTarget destination,
Vector2f light_pos,
double light_radius,
Vector2f light_dir,
double light_spread_angle,
Color Color,
BlendMode blend_mode,
Shader shader)
{
double lightSubdivisionSize = AppMath.PI / 24.0;
VertexArray va = new VertexArray(PrimitiveType.TriangleFan);
Transform t = Transform.Identity;
RenderStates states = new RenderStates(blend_mode, t, null, shader);
double light_dir_angle = AppMath.GetAngleOfVector(light_dir);
//Math->GetAngleBetwenVecs(light_pos, light_dir) - Math->PI/2.0;
va.Append(new Vertex(light_pos, Color, new Vector2f()));
// Set the edge color for rest of shape
int numSubdivisions = (int)(light_spread_angle / lightSubdivisionSize);
double startAngle = light_dir_angle - light_spread_angle / 2.0f;
for (int currentSubDivision = 0; currentSubDivision <= numSubdivisions; currentSubDivision++)
{
double angle = startAngle + currentSubDivision * lightSubdivisionSize;
va.Append(new Vertex(new Vector2f((float)(light_radius * Math.Cos(angle) + light_pos.X), (float)(light_radius * Math.Sin(angle) + light_pos.Y)), Color));
}
destination.Draw(va, states);
//=========================================================================================
//soft portion-----------------------------------------------------------------------------
// sf::VertexArray finVA;
// sf::RenderStates finStates;
// finStates.blendMode = sf::BlendMultiply;
// finStates.shader = shader;
// finStates.texture = &myLightFinTexture;
//
// sf::Color color(120, 120, 120, 0);
//
// double softSpreadAngle = Math->PI / 35.0;
//
// double umbraAngle1 = light_dir_angle - light_spread_angle / 2.0f;
// double penumbraAngle1 = umbraAngle1 + softSpreadAngle;
// sf::Vector2f penumbra_pos = sf::Vector2f(light_radius * cosf(penumbraAngle1), light_radius * sinf(penumbraAngle1));
// sf::Vector2f umbra_pos = sf::Vector2f(light_radius * cosf(umbraAngle1), light_radius * sinf(umbraAngle1));
// sf::Vector2f rootPos = light_pos;
///*
// sf::Vector2f tc1 = sf::Vector2f(myLightFinTexture.getSize().x, 0);
// sf::Vector2f tc2 = sf::Vector2f(myLightFinTexture.getSize().x, myLightFinTexture.getSize().y);
// sf::Vector2f tc3 = sf::Vector2f(0 , myLightFinTexture.getSize().y);
//*/
// sf::Vector2f tc1 = sf::Vector2f(0, 0);
// sf::Vector2f tc2 = sf::Vector2f(myLightFinTexture.getSize().x, 0);
// sf::Vector2f tc3 = sf::Vector2f(0 , myLightFinTexture.getSize().y);
//
// sf::Vector2f p1 = sf::Vector2f(rootPos.x, rootPos.y);
// sf::Vector2f p2 = sf::Vector2f(rootPos.x + penumbra_pos.x, rootPos.y + penumbra_pos.y);
// sf::Vector2f p3 = sf::Vector2f(rootPos.x + umbra_pos.x, rootPos.y + umbra_pos.y);
//
// finVA.append(sf::Vertex(p1, color, tc1));
// finVA.append(sf::Vertex(p2, color, tc2));
// finVA.append(sf::Vertex(p3, color, tc3));
//
// destination.draw(&finVA[0], finVA.getVertexCount(), sf::PrimitiveType::Triangles, finStates);
//=====================================================================================================
//finVA.clear();
//double umbraAngle2 = light_dir_angle + light_spread_angle / 2.0f;
//double penumbraAngle2 = umbraAngle2 - softSpreadAngle;
//sf::Vector2f penumbra_pos_2 = sf::Vector2f(light_radius * cosf(penumbraAngle2), light_radius * sinf(penumbraAngle2));
//sf::Vector2f umbra_pos_2 = sf::Vector2f(light_radius * cosf(umbraAngle2), light_radius * sinf(umbraAngle2));
//sf::Vector2f rootPos_2 = light_pos;
//tc1 = sf::Vector2f(0, 0);
//tc2 = sf::Vector2f(myLightFinTexture.getSize().x, 0);
//tc3 = sf::Vector2f(0 , myLightFinTexture.getSize().y);
//p1 = sf::Vector2f(rootPos_2.x, rootPos_2.y);
//p2 = sf::Vector2f(rootPos_2.x + penumbra_pos_2.x, rootPos_2.y + penumbra_pos_2.y);
//p3 = sf::Vector2f(rootPos_2.x + umbra_pos_2.x, rootPos_2.y + umbra_pos_2.y);
//finVA.append(sf::Vertex(p1, color, tc1));
//finVA.append(sf::Vertex(p2, color, tc2));
//finVA.append(sf::Vertex(p3, color, tc3));
//destination.draw(&finVA[0], finVA.getVertexCount(), sf::PrimitiveType::Triangles, finStates);
//===================================================================================================
//====================================================================================================
}