private void Verlet(LineParticle p, float dt)
{
var temp = p.pos;
p.pos += p.pos - p.oldPos + (p.acceleration * dt * dt);
p.oldPos = temp;
}
private void PoleConstraint(LineParticle p1, LineParticle p2, float restLength)
{
var delta = p2.pos - p1.pos;
var deltaLength = delta.magnitude;
var diff = (deltaLength - restLength) / deltaLength;
p1.pos += delta * diff * lineSetting;
p2.pos -= delta * diff * lineSetting;
}
private void Start()
{
lineRenderer = GetComponent <LineRenderer>();
lineParticles = new LineParticle[numberOfJoints];
linePositions = new Vector3[numberOfJoints];
lineRenderer.positionCount = numberOfJoints;
for (int i = 0; i < numberOfJoints; i++)
{
lineParticles[i] = new LineParticle();
}
}
public void Render(IStateOwner pOwner, SKCanvas pRenderTarget, LineParticle Source, GameStateSkiaDrawParameters Element)
{
var PointA = TranslatePosition(pOwner, pRenderTarget, Source.Position, Element);
var PointB = TranslatePosition(pOwner, pRenderTarget, Source.EndPoint, Element);
var Alphause = TranslateAlpha(Source);
using (SKPaint skp = new SKPaint()
{
Color = new SKColor(Source.Color.R, Source.Color.G, Source.Color.B, Alphause), StrokeWidth = 2
})
{
pRenderTarget.DrawLine(PointA, PointB, skp);
}
}
public override bool PerformFrame(BCBlockGameState gamestate)
{
//hitscan. We only "take" a single frame to hit something.
//first, normalize the Velocity.
_Velocity = _Velocity.Normalize();
//now, starting from _Origin, advance position by _Velocity until we hit a block or leave the gamearea.
List<Block> blockshit = new List<Block>();
PointF currpos = _Origin;
PointF lastpos = _Origin;
bool scancomplete = false;
int spawnjump = 0;
int particlecomparator = Math.Max(gamestate.Particles.Count-500, 2);
//particlecomparator is our modulus. This will be modulo'd with spawnjump each iteration
while (!scancomplete)
{
spawnjump++;
currpos = new PointF(currpos.X + _Velocity.X, currpos.Y + _Velocity.Y);
PointF diff = new PointF(currpos.X-lastpos.X,currpos.Y-lastpos.Y);
//spawn some particles here.
if (spawnjump>particlecomparator && Tracer)
{
spawnjump = 0;
for (int i = 0; i < 1; i++)
{
float randomspot = (float)BCBlockGameState.rgen.NextDouble();
PointF randomoffset = new PointF(currpos.X + diff.X * randomspot, currpos.Y + diff.Y * randomspot);
if (BCBlockGameState.rgen.NextDouble() > 0.5)
{
DustParticle dp = new DustParticle(randomoffset, 3, 25, _BulletColor);
dp.Important = true;
gamestate.Particles.Add(dp);
}
else
{
LightOrb dp = new LightOrb(randomoffset, Color.Green, 16);
dp.TTL = 25;
dp.Important = true;
gamestate.Particles.Add(dp);
}
}
}
//are we outside gamearea?
if (!gamestate.GameArea.Contains(currpos.ToPoint()))
scancomplete = true;
//have we hit a block?
var hitblock = BCBlockGameState.Block_HitTestOne(gamestate.Blocks, currpos);
if (hitblock != null && !blockshit.Contains(hitblock))
{
blockshit.Add(hitblock);
if(_Strength == HitscanStrengthConstants.hitscan_bullet)
{
//create a bullet at currpos, make it go in our direction.
Bullet bb = new Bullet(currpos, _Velocity, false);
bb.BulletBrush = new SolidBrush(Color.Transparent); //invisible bullet...
gamestate.NextFrameCalls.Enqueue(new BCBlockGameState.NextFrameStartup(() => gamestate.GameObjects.AddLast(bb)));
}
else if(_Strength==HitscanStrengthConstants.hitscan_hit)
{
gamestate.NextFrameCalls.Enqueue(new BCBlockGameState.NextFrameStartup(() => BCBlockGameState.Block_Hit(gamestate, hitblock, _Velocity)));
}
if (!Penetrate) scancomplete = true;
}
lastpos = currpos;
}
if (!Tracer)
{
DustParticle pa = new DustParticle(Origin, 800,9000,Color.Transparent);
DustParticle pb = new DustParticle(currpos,800,9000,Color.Transparent);
pa.Velocity = PointF.Empty;
pb.Velocity = PointF.Empty;
LineParticle ls = new LineParticle(pa, pb,new Pen(Color.Yellow,1));
ls.Important = true;
ls.TTL = 750;
gamestate.Particles.Add(ls);
//show the impact point.
PointF Impactpoint = currpos;
for (int i = 0; i < 14 * BCBlockGameState.Settings.ParticleGenerationFactor; i++)
{
Particle xp = BCBlockGameState.rgen.NextDouble() > 0.5 ?
(Particle)
new EmitterParticle(Impactpoint,(gstate,emitter,aint,bint)=>
{
float ssspeed = (float)BCBlockGameState.rgen.NextDouble() * 5 + 2;
PointF ssusespeed = BCBlockGameState.VaryVelocity(new PointF(0,-ssspeed), Math.PI / 10);
DustParticle addit = new DustParticle(emitter.Location, 40);
addit.Velocity = ssusespeed;
return addit;
})
: (Particle)new DustParticle(Impactpoint);
float speed = (float)BCBlockGameState.rgen.NextDouble() * 5 + 2;
PointF usespeed = BCBlockGameState.VaryVelocity(new PointF(0,-speed), Math.PI / 10);
xp.Velocity = usespeed;
gamestate.Particles.Add(xp);
}
}
return true; //we only exist for one frame.
}
private void BobberThread()
{
int EffectLengthi = 5000;
if (BobberThreadEffectFinish == null)
{
BobberThreadEffectFinish = DateTime.Now;
}
const int numeffects = 6;
while (true)
{
lock (ImageBackBufferCanvas)
{
Thread.Sleep(40);
Thread.SpinWait(15);
while (Form.ActiveForm == null) Thread.Sleep(50);
if (!this.Visible)
{
Thread.Sleep(50); //nothing to do, allow other threads to run.
}
else
{
DrawFrame();
}
if (performingEffect)
{
bool doflip = false;
TimeSpan EffectLength = DateTime.Now - BobberThreadEffectStart;
//currently the only supported "effect" ,draws a bunch of particles across the screen halfway. (Y).
imagesdraw.Clear();
if (EffectLength.TotalMilliseconds > EffectLengthi)
{
performingEffect = false;
prevparticlepos = new PointF(0, 0);
BobberThreadEffectFinish = DateTime.Now;
}
else
{
double currpercent = (double) EffectLength.TotalMilliseconds/(double) EffectLengthi;
int Xpos =
(int)
(((float) (ImageBackBufferbitmap.Width*1.5)*currpercent) -
((float) (ImageBackBufferbitmap.Width*0.2f)));
Debug.Print("Effect currpercent=" + currpercent);
// PointF addparticlepos = new PointF(Xpos, ImageBackBufferbitmap.Height / 2);
int effectnumber = EffectCount%numeffects;
if (effectnumber%2 == 0)
{
Xpos = ImageBackBufferbitmap.Width - Xpos;
doflip = true;
}
PointF addparticlepos = new PointF(Xpos, 163);
if (prevparticlepos.X == 0 && prevparticlepos.Y == 0) prevparticlepos = addparticlepos;
float usehue = (((float) currpercent*3)%1)*240;
Color particlecolor = new HSLColor(usehue, 240, 120);
const float maxoutspeed = 1f;
const int numparticles = 25;
Image[] usepics = null;
System.Drawing.Size? usesize;
switch (effectnumber)
{
case 0:
case 2:
usepics = new Image[] { rdash.BackgroundImage };
if (effectnumber == 2)
addparticlepos = new PointF(addparticlepos.X,
((float) Math.Sin(addparticlepos.X/16)*8) +
addparticlepos.Y);
/*for (int addp = 0; addp < numparticles*2; addp++)
{
Particle addparticle = new DustParticle(addparticlepos, (float) (rg.NextDouble()*4),
7500, particlecolor);
lock (DrawParticles)
{
DrawParticles.Add(addparticle);
}
}*/
//create a spectrum...
const float numlines = 25;
const int totalsize = 100;
for (int i = 0; i < numlines; i++)
{
float useYoffset = (totalsize/2) + (((float) i/numlines)*totalsize);
float pct = ((float) i/numlines);
float percenthue = (pct*240);
PointF offsetamount = new PointF(addparticlepos.X - prevparticlepos.X,
addparticlepos.Y - prevparticlepos.Y);
//PointF firstpoint = new PointF(addparticlepos.X, useYoffset);
//PointF secondpoint = new PointF(firstpoint.X+offsetamount.X,firstpoint.Y+offsetamount.Y);
PointF firstpoint = addparticlepos;
PointF secondpoint = prevparticlepos;
if (firstpoint.X > secondpoint.X)
{
firstpoint = new PointF(firstpoint.X + 2, firstpoint.Y);
secondpoint = new PointF(secondpoint.X - 2, secondpoint.Y);
}
else
{
firstpoint = new PointF(firstpoint.X - 2, firstpoint.Y);
secondpoint = new PointF(secondpoint.X + 2, secondpoint.Y);
}
//float phue = (percenthue + (Xpos/2)%240 )%240;
float phue = percenthue%240;
Color linecoloruse = new HSLColor(phue, 240, 120);
float usevel = (pct - 0.5f)*5;
DustParticle dust1 = new DustParticle(firstpoint, new PointF(0, usevel));
DustParticle dust2 = new DustParticle(secondpoint, new PointF(0, usevel));
LineParticle lp = new LineParticle(dust1, dust2, linecoloruse);
lock (DrawParticles)
{
DrawParticles.Add(lp);
if (Math.Truncate((double) Xpos)%15 == 0)
{
//add a 5-pointed star...
//StarParticle staradd = new StarParticle(addparticlepos, BCBlockGameState.GetRandomVelocity(0,3), 5, 3, 6, Color.Yellow, Color.Black, (float)(rg.NextDouble() * 2));
CharacterDebris staradd = new CharacterDebris(addparticlepos,
BCBlockGameState.
GetRandomVelocity(0, 3),
Color.Yellow, 8, 18);
DrawParticles.Add(staradd);
}
}
}
/*
Particle addParticleA = new DustParticle(addparticlepos, new PointF(0, -2));
Particle addParticleB = new DustParticle(addparticlepos, new PointF(0, 2));
LineParticle lp = new LineParticle(addParticleA, addParticleB, particlecolor);
lock (DrawParticles)
{
DrawParticles.Add(lp);
}
*/
break;
case 1:
case 3:
usepics = new Image[] {rdash.BackgroundImage};
if (effectnumber == 3)
addparticlepos = new PointF(addparticlepos.X,
((float) Math.Sin(addparticlepos.X/32)*16) +
addparticlepos.Y);
for (int addp = 0; addp < numparticles; addp++)
{
float ppercent = (float) addp/(float) numparticles;
float usespeed = (float) (((maxoutspeed*2)*ppercent) - maxoutspeed);
PointF speeduse = new PointF((float) (rg.NextDouble() - 0.5d), usespeed);
particlecolor = new HSLColor(ppercent*240, 240, 120);
//Particle addparticle = new PolyDebris(addparticlepos, rg.NextDouble() * 2, particlecolor, 3, 4, 3, 8);
Particle addparticle = new PolyDebris(addparticlepos, speeduse, particlecolor, 3,
4,
3, 8);
lock (DrawParticles)
{
DrawParticles.Add(addparticle);
}
}
break;
case 4:
usepics = new Image[] { ttoaster.BackgroundImage };
for (int addp = 0; addp < numparticles*2; addp++)
{
particlecolor = Color.FromArgb(rg.Next(255), rg.Next(255), 0);
Particle addparticle = new DustParticle(addparticlepos,
(float) (rg.NextDouble()*4),
7500, particlecolor);
lock (DrawParticles)
{
DrawParticles.Add(addparticle);
}
}
break;
case 5:
/*
*/
//megaman sprites...
//since these are loaded
if (!mmimagesloaded)
{
mmimagesloaded = true;
try
{
mmimages = BCBlockGameState.Imageman.getImageFrames("megaman");
}
catch
{
mmimagesloaded = false;
}
}
if (mmimagesloaded)
{
if ((DateTime.Now - lastmmFrameChange) > mmFrameDelayTime)
{
//advance the frame.
mmimageframe++;
}
mmimageframe = mmimageframe%mmimages.Length;
//they are... or should be, loaded now.
usepics = new Image[] {mmimages[mmimageframe]};
usesize = new Size(usepics[0].Size.Width*3, usepics[0].Size.Height*3);
}
break;
/*
case 3:
addparticlepos = new PointF(addparticlepos.X, ((float)Math.Sin(addparticlepos.X / 16) * 8) + addparticlepos.Y);
for (int addp = 0; addp < numparticles; addp++)
{
Particle addparticle = new PolyDebris(addparticlepos, rg.NextDouble()*2, particlecolor, 3, 4, 3, 8);
lock (DrawParticles)
{
DrawParticles.Add(addparticle);
}
}
break;
*/
}
drawimagedata dd = new drawimagedata();
//dd.DrawImage = (Image) usepic.Clone();
dd.ImageFrames = usepics;
if (doflip) dd.DrawImage.RotateFlip(RotateFlipType.RotateNoneFlipX);
dd.Location = addparticlepos;
//imagesdraw.Add(new drawimagedata(BCBlockGameState.Imageman.GetLoadedImage("rdash")
double ang = BCBlockGameState.GetAngle(prevparticlepos, addparticlepos);
Debug.Print("chosen angle=" + ang);
dd.Angle = ang;
//if (doflip) dd.Angle += (float) Math.PI;
imagesdraw.Add(dd);
prevparticlepos = addparticlepos;
}
}
else if ((DateTime.Now - BobberThreadEffectFinish.Value).TotalSeconds >= 60)
{
EffectCount++;
EffectCount = EffectCount%numeffects;
switch (EffectCount)
{
case 0:
case 1:
case 2:
case 3:
EffectLengthi = 5000;
if (BCBlockGameState.Soundman != null) //can be null, if you press shift during startup and take a while on the screen presented...
{
if (BCBlockGameState.Soundman.HasSound("asboom"))
{
BCBlockGameState.Soundman.PlaySound("asboom", 3.0f);
}
}
break;
case 4:
iSoundSourceObject grabsound;
if (BCBlockGameState.Soundman != null)
{
if (((grabsound = BCBlockGameState.Soundman.GetSoundRnd("TTOASTER")) != null))
{
grabsound.Play(false, 3.0f);
}
}
break;
case 5:
if(BCBlockGameState.Soundman!=null) BCBlockGameState.Soundman.PlaySound("ray");
break;
}
Debug.Print("invoking effect #" + EffectCount);
performingEffect = true;
BobberThreadEffectStart = DateTime.Now;
}
}
}
}
private void BobberThread()
{
int EffectLengthi = 5000;
if (BobberThreadEffectFinish == null)
{
BobberThreadEffectFinish = DateTime.Now;
}
const int numeffects = 6;
while (true)
{
lock (ImageBackBufferCanvas)
{
Thread.Sleep(50);
Thread.SpinWait(15);
while (Form.ActiveForm == null)
{
Thread.Sleep(0);
}
if (!this.Visible)
{
Thread.Sleep(0); //nothing to do, allow other threads to run.
}
else
{
DrawFrame();
}
if (performingEffect)
{
bool doflip = false;
TimeSpan EffectLength = DateTime.Now - BobberThreadEffectStart;
//currently the only supported "effect" ,draws a bunch of particles across the screen halfway. (Y).
imagesdraw.Clear();
if (EffectLength.TotalMilliseconds > EffectLengthi)
{
performingEffect = false;
prevparticlepos = new PointF(0, 0);
BobberThreadEffectFinish = DateTime.Now;
}
else
{
double currpercent = (double)EffectLength.TotalMilliseconds / (double)EffectLengthi;
int Xpos =
(int)
(((float)(ImageBackBufferbitmap.Width * 1.5) * currpercent) -
((float)(ImageBackBufferbitmap.Width * 0.2f)));
Debug.Print("Effect currpercent=" + currpercent);
// PointF addparticlepos = new PointF(Xpos, ImageBackBufferbitmap.Height / 2);
int effectnumber = EffectCount % numeffects;
if (effectnumber % 2 == 0)
{
Xpos = ImageBackBufferbitmap.Width - Xpos;
doflip = true;
}
PointF addparticlepos = new PointF(Xpos, 163);
if (prevparticlepos.X == 0 && prevparticlepos.Y == 0)
{
prevparticlepos = addparticlepos;
}
float usehue = (((float)currpercent * 3) % 1) * 240;
Color particlecolor = new HSLColor(usehue, 240, 120);
const float maxoutspeed = 1f;
const int numparticles = 25;
Image usepic = null;
System.Drawing.Size?usesize;
switch (effectnumber)
{
case 0:
case 2:
usepic = rdash.BackgroundImage;
if (effectnumber == 2)
{
addparticlepos = new PointF(addparticlepos.X,
((float)Math.Sin(addparticlepos.X / 16) * 8) +
addparticlepos.Y);
}
/*for (int addp = 0; addp < numparticles*2; addp++)
* {
* Particle addparticle = new DustParticle(addparticlepos, (float) (rg.NextDouble()*4),
* 7500, particlecolor);
*
*
* lock (DrawParticles)
* {
* DrawParticles.Add(addparticle);
* }
* }*/
//create a spectrum...
const float numlines = 25;
const int totalsize = 100;
for (int i = 0; i < numlines; i++)
{
float useYoffset = (totalsize / 2) + (((float)i / numlines) * totalsize);
float pct = ((float)i / numlines);
float percenthue = (pct * 240);
PointF offsetamount = new PointF(addparticlepos.X - prevparticlepos.X,
addparticlepos.Y - prevparticlepos.Y);
//PointF firstpoint = new PointF(addparticlepos.X, useYoffset);
//PointF secondpoint = new PointF(firstpoint.X+offsetamount.X,firstpoint.Y+offsetamount.Y);
PointF firstpoint = addparticlepos;
PointF secondpoint = prevparticlepos;
if (firstpoint.X > secondpoint.X)
{
firstpoint = new PointF(firstpoint.X + 2, firstpoint.Y);
secondpoint = new PointF(secondpoint.X - 2, secondpoint.Y);
}
else
{
firstpoint = new PointF(firstpoint.X - 2, firstpoint.Y);
secondpoint = new PointF(secondpoint.X + 2, secondpoint.Y);
}
//float phue = (percenthue + (Xpos/2)%240 )%240;
float phue = percenthue % 240;
Color linecoloruse = new HSLColor(phue, 240, 120);
float usevel = (pct - 0.5f) * 5;
DustParticle dust1 = new DustParticle(firstpoint, new PointF(0, usevel));
DustParticle dust2 = new DustParticle(secondpoint, new PointF(0, usevel));
LineParticle lp = new LineParticle(dust1, dust2, linecoloruse);
lock (DrawParticles)
{
DrawParticles.Add(lp);
if (Math.Truncate((double)Xpos) % 15 == 0)
{
//add a 5-pointed star...
//StarParticle staradd = new StarParticle(addparticlepos, BCBlockGameState.GetRandomVelocity(0,3), 5, 3, 6, Color.Yellow, Color.Black, (float)(rg.NextDouble() * 2));
CharacterDebris staradd = new CharacterDebris(addparticlepos,
BCBlockGameState.
GetRandomVelocity(0, 3),
Color.Yellow, 8, 18);
DrawParticles.Add(staradd);
}
}
}
/*
* Particle addParticleA = new DustParticle(addparticlepos, new PointF(0, -2));
* Particle addParticleB = new DustParticle(addparticlepos, new PointF(0, 2));
* LineParticle lp = new LineParticle(addParticleA, addParticleB, particlecolor);
*
* lock (DrawParticles)
* {
* DrawParticles.Add(lp);
* }
*
*
*/
break;
case 1:
case 3:
usepic = rdash.BackgroundImage;
if (effectnumber == 3)
{
addparticlepos = new PointF(addparticlepos.X,
((float)Math.Sin(addparticlepos.X / 32) * 16) +
addparticlepos.Y);
}
for (int addp = 0; addp < numparticles; addp++)
{
float ppercent = (float)addp / (float)numparticles;
float usespeed = (float)(((maxoutspeed * 2) * ppercent) - maxoutspeed);
PointF speeduse = new PointF((float)(rg.NextDouble() - 0.5d), usespeed);
particlecolor = new HSLColor(ppercent * 240, 240, 120);
//Particle addparticle = new PolyDebris(addparticlepos, rg.NextDouble() * 2, particlecolor, 3, 4, 3, 8);
Particle addparticle = new PolyDebris(addparticlepos, speeduse, particlecolor, 3,
4,
3, 8);
lock (DrawParticles)
{
DrawParticles.Add(addparticle);
}
}
break;
case 4:
usepic = ttoaster.BackgroundImage;
for (int addp = 0; addp < numparticles * 2; addp++)
{
particlecolor = Color.FromArgb(rg.Next(255), rg.Next(255), 0);
Particle addparticle = new DustParticle(addparticlepos,
(float)(rg.NextDouble() * 4),
7500, particlecolor);
lock (DrawParticles)
{
DrawParticles.Add(addparticle);
}
}
break;
case 5:
/*
*
*/
//megaman sprites...
//since these are loaded
if (!mmimagesloaded)
{
mmimagesloaded = true;
try
{
mmimages = BCBlockGameState.Imageman.getImageFrames("megaman");
}
catch
{
mmimagesloaded = false;
}
}
if (mmimagesloaded)
{
if ((DateTime.Now - lastmmFrameChange) > mmFrameDelayTime)
{
//advance the frame.
mmimageframe++;
}
mmimageframe = mmimageframe % mmimages.Length;
//they are... or should be, loaded now.
usepic = mmimages[mmimageframe];
usesize = new Size(usepic.Size.Width * 3, usepic.Size.Height * 3);
}
break;
/*
* case 3:
*
* addparticlepos = new PointF(addparticlepos.X, ((float)Math.Sin(addparticlepos.X / 16) * 8) + addparticlepos.Y);
* for (int addp = 0; addp < numparticles; addp++)
* {
* Particle addparticle = new PolyDebris(addparticlepos, rg.NextDouble()*2, particlecolor, 3, 4, 3, 8);
*
*
* lock (DrawParticles)
* {
* DrawParticles.Add(addparticle);
* }
* }
* break;
*/
}
drawimagedata dd = new drawimagedata();
dd.DrawImage = (Image)usepic.Clone();
if (doflip)
{
dd.DrawImage.RotateFlip(RotateFlipType.RotateNoneFlipX);
}
dd.Location = addparticlepos;
//imagesdraw.Add(new drawimagedata(BCBlockGameState.Imageman.GetLoadedImage("rdash")
double ang = BCBlockGameState.GetAngle(prevparticlepos, addparticlepos);
Debug.Print("chosen angle=" + ang);
dd.Angle = ang;
if (doflip)
{
dd.Angle += (float)Math.PI;
}
imagesdraw.Add(dd);
prevparticlepos = addparticlepos;
}
}
else if ((DateTime.Now - BobberThreadEffectFinish.Value).TotalSeconds >= 60)
{
EffectCount++;
EffectCount = EffectCount % numeffects;
switch (EffectCount)
{
case 0:
case 1:
case 2:
case 3:
EffectLengthi = 5000;
if (BCBlockGameState.Soundman != null) //can be null, if you press shift during startup and take a while on the screen presented...
{
if (BCBlockGameState.Soundman.HasSound("asboom"))
{
BCBlockGameState.Soundman.PlaySound("asboom", 3.0f);
}
}
break;
case 4:
iSoundSourceObject grabsound;
if (BCBlockGameState.Soundman != null)
{
if (((grabsound = BCBlockGameState.Soundman.GetSoundRnd("TTOASTER")) != null))
{
grabsound.Play(false, 3.0f);
}
}
break;
case 5:
if (BCBlockGameState.Soundman != null)
{
BCBlockGameState.Soundman.PlaySound("ray");
}
break;
}
Debug.Print("invoking effect #" + EffectCount);
performingEffect = true;
BobberThreadEffectStart = DateTime.Now;
}
}
}
}
