public Motor(AbstractParticle attach, float radius, int color)
{
wheel = new WheelParticle(attach.PX, attach.PY - .01f, radius);
wheel.SetStyle(0, 0, Color.FromArgb(255 / 2, 255, 0, 0).ToArgb());
SpringConstraint axle = new SpringConstraint(wheel, attach);
_rimA = new CircleParticle(0, 0, 2, true);
_rimB = new CircleParticle(0, 0, 2, true);
_rimC = new CircleParticle(0, 0, 2, true);
wheel.Collidable = false;
_rimA.Collidable = false;
_rimB.Collidable = false;
_rimC.Collidable = false;
this.Particles.Add(_rimA);
this.Particles.Add(_rimB);
this.Particles.Add(_rimC);
this.Particles.Add(wheel);
this.Constraints.Add(axle);
this.color = color;
this.radius = radius;
// run it once to make sure the rim particles are in the right place
run();
}
public Rotator(int colA, int colB)
: base(false)
{
this.CollideInternal = true;
ctr = new Vector(555, 175);
rectComposite = new RectComposite(ctr, colA, colB);
addComposite(rectComposite);
circA = new CircleParticle(ctr.X, ctr.Y, 5, false, 1, 0.3f, 0);
circA.SetStyle(1, colA, colB);
this.Particles.Add(circA);
rectA = new RectangleParticle(555, 160, 10, 10, 0, false, 3, 0.3f, 0);
rectA.SetStyle(1, colA, colB);
this.Particles.Add(rectA);
connectorA = new SpringConstraint(rectComposite.PA, rectA, 1, false, 1, 1, false);
connectorA.SetStyle(2, colB);
this.Constraints.Add(connectorA);
rectB = new RectangleParticle(555, 190, 10, 10, 0, false, 3, 0.3f, 0);
rectB.SetStyle(1, colA, colB);
this.Particles.Add(rectB);
connectorB = new SpringConstraint(rectComposite.PC, rectB, 1, false, 1, 1, false);
connectorB.SetStyle(2, colB);
this.Constraints.Add(connectorB);
}
public Capsule(int colC)
: base(false)
{
CircleParticle capsuleP1 = new CircleParticle(300, 10, 14, false, 1.3f, 0.4f, 0);
capsuleP1.SetStyle(0, colC, colC);
this.Particles.Add(capsuleP1);
CircleParticle capsuleP2 = new CircleParticle(325, 35, 14, false, 1.3f, 0.4f, 0);
capsuleP2.SetStyle(0, colC, colC);
this.Particles.Add(capsuleP2);
SpringConstraint capsule = new SpringConstraint(capsuleP1, capsuleP2, 1, true, 24, 1, false);
capsule.SetStyle(0, colC, colC);
this.Constraints.Add(capsule);
}
public RectComposite(Vector ctr, int colA, int colB)
: base()
{
float rw = 75;
float rh = 18;
float rad = 4;
// going clockwise from left top..
cpA = new CircleParticle(ctr.X - rw / 2, ctr.Y - rh / 2, rad, true, 1, 0.3f, 0);
cpB = new CircleParticle(ctr.X + rw / 2, ctr.Y - rh / 2, rad, true, 1, 0.3f, 0);
cpC = new CircleParticle(ctr.X + rw / 2, ctr.Y + rh / 2, rad, true, 1, 0.3f, 0);
cpD = new CircleParticle(ctr.X - rw / 2, ctr.Y + rh / 2, rad, true, 1, 0.3f, 0);
cpA.SetStyle(0, 0, colA);
cpB.SetStyle(0, 0, colA);
cpC.SetStyle(0, 0, colA);
cpD.SetStyle(0, 0, colA);
sprA = new SpringConstraint(cpA, cpB, 0.5f, true, rad * 2, 1, false);
sprB = new SpringConstraint(cpB, cpC, 0.5f, true, rad * 2, 1, false);
sprC = new SpringConstraint(cpC, cpD, 0.5f, true, rad * 2, 1, false);
sprD = new SpringConstraint(cpD, cpA, 0.5f, true, rad * 2, 1, false);
sprA.SetStyle(0, 0, colA);
sprB.SetStyle(0, 0, colA);
sprC.SetStyle(0, 0, colA);
sprD.SetStyle(0, 0, colA);
this.Particles.Add(cpA);
this.Particles.Add(cpB);
this.Particles.Add(cpC);
this.Particles.Add(cpD);
this.Constraints.Add(sprA);
this.Constraints.Add(sprB);
this.Constraints.Add(sprC);
this.Constraints.Add(sprD);
}
public Leg(
float px,
float py,
int orientation,
float scale,
float lineWeight,
int lineColor,
int fillColor)
{
this.lineColor = lineColor;
this.lineWeight = lineWeight;
this.fillColor = fillColor;
// top triangle -- pa is the attach point to the body
float os = orientation * scale;
pa = new CircleParticle(px + 31 * os, py - 8 * scale, 1);
pb = new CircleParticle(px + 25 * os, py - 37 * scale, 1);
pc = new CircleParticle(px + 60 * os, py - 15 * scale, 1);
// bottom triangle particles -- pf is the foot
pd = new CircleParticle(px + 72 * os, py + 12 * scale, 1);
pe = new CircleParticle(px + 43 * os, py + 19 * scale, 1);
pf = new CircleParticle(px + 54 * os, py + 61 * scale, 2);
// strut attach point particle
ph = new CircleParticle(px, py, 3);
// top triangle constraints
SpringConstraint cAB = new SpringConstraint(pa,pb,1);
SpringConstraint cBC = new SpringConstraint(pb,pc,1);
SpringConstraint cCA = new SpringConstraint(pc,pa,1);
// middle leg constraints
SpringConstraint cCD = new SpringConstraint(pc,pd,1);
SpringConstraint cAE = new SpringConstraint(pa,pe,1);
// bottom leg constraints
SpringConstraint cDE = new SpringConstraint(pd,pe,1);
SpringConstraint cDF = new SpringConstraint(pd,pf,1);
SpringConstraint cEF = new SpringConstraint(pe,pf,1);
// cam constraints
SpringConstraint cBH = new SpringConstraint(pb,ph,1);
SpringConstraint cEH = new SpringConstraint(pe,ph,1);
this.Particles.Add(pa);
this.Particles.Add(pb);
this.Particles.Add(pc);
this.Particles.Add(pd);
this.Particles.Add(pe);
this.Particles.Add(pf);
this.Particles.Add(ph);
this.Constraints.Add(cAB);
this.Constraints.Add(cBC);
this.Constraints.Add(cCA);
this.Constraints.Add(cCD);
this.Constraints.Add(cAE);
this.Constraints.Add(cDE);
this.Constraints.Add(cDF);
this.Constraints.Add(cEF);
this.Constraints.Add(cBH);
this.Constraints.Add(cEH);
// for added efficiency, only test the feet (pf) for collision. these
// selective tweaks should always be considered for best performance.
pa.Collidable = false;
pb.Collidable = false;
pc.Collidable = false;
pd.Collidable = false;
pe.Collidable = false;
ph.Collidable = false;
_visible = true;
}
public Bridge(int colB, int colC, int colD)
: base(false)
{
float bx = 170;
float by = 40;
float bsize = 51.5f;
float yslope = 2.4f;
float particleSize = 4;
bridgePAA = new CircleParticle(bx, by, particleSize, true, 1, 0.3f, 0);
bridgePAA.SetStyle(1, colC, colB);
this.Particles.Add(bridgePAA);
bx += bsize;
by += yslope;
bridgePA = new CircleParticle(bx, by, particleSize, false, 1, 0.3f, 0);
bridgePA.SetStyle(1, colC, colB);
this.Particles.Add(bridgePA);
bx += bsize;
by += yslope;
bridgePB = new CircleParticle(bx, by, particleSize, false, 1, 0.3f, 0);
bridgePB.SetStyle(1, colC, colB);
this.Particles.Add(bridgePB);
bx += bsize;
by += yslope;
bridgePC = new CircleParticle(bx, by, particleSize, false, 1, 0.3f, 0);
bridgePC.SetStyle(1, colC, colB);
this.Particles.Add(bridgePC);
bx += bsize;
by += yslope;
bridgePD = new CircleParticle(bx, by, particleSize, false, 1, 0.3f, 0);
bridgePD.SetStyle(1, colC, colB);
this.Particles.Add(bridgePD);
bx += bsize;
by += yslope;
bridgePDD = new CircleParticle(bx, by, particleSize, true, 1, 0.3f, 0);
bridgePDD.SetStyle(1, colC, colB);
this.Particles.Add(bridgePDD);
bridgeConnA = new SpringConstraint(bridgePAA, bridgePA,
0.9f, true, 10, 0.8f, false);
// collision response on the bridgeConnA will be ignored on
// on the first 1/4 of the constraint. this avoids blow ups
// particular to springcontraints that have 1 fixed particle.
bridgeConnA.FixedEndLimit = 0.25f;
bridgeConnA.SetStyle(1, colC, colB);
this.Constraints.Add(bridgeConnA);
bridgeConnB = new SpringConstraint(bridgePA, bridgePB,
0.9f, true, 10, 0.8f, false);
bridgeConnB.SetStyle(1, colC, colB);
this.Constraints.Add(bridgeConnB);
bridgeConnC = new SpringConstraint(bridgePB, bridgePC,
0.9f, true, 10, 0.8f, false);
bridgeConnC.SetStyle(1, colC, colB);
this.Constraints.Add(bridgeConnC);
bridgeConnD = new SpringConstraint(bridgePC, bridgePD,
0.9f, true, 10, 0.8f, false);
bridgeConnD.SetStyle(1, colC, colB);
this.Constraints.Add(bridgeConnD);
bridgeConnE = new SpringConstraint(bridgePD, bridgePDD,
0.9f, true, 10, 0.8f, false);
bridgeConnE.FixedEndLimit = 0.25f;
bridgeConnE.SetStyle(1, colC, colB);
this.Constraints.Add(bridgeConnE);
}
private static bool testOBBvsCircle(RectangleParticle ra, CircleParticle ca)
{
Vector collisionNormal = new Vector();
float collisionDepth = float.PositiveInfinity;
float[] depths = new float[2];
// first go through the axes of the rectangle
for (int i = 0; i < 2; i++)
{
Vector boxAxis = ra.axes[i];
float depth = testIntervals(ra.getProjection(boxAxis), ca.getProjection(boxAxis));
if (depth == 0) return false;
if (Math.Abs(depth) < Math.Abs(collisionDepth))
{
collisionNormal = boxAxis;
collisionDepth = depth;
}
depths[i] = depth;
}
// determine if the circle's center is in a vertex region
float r = ca.Radius;
if (Math.Abs(depths[0]) < r && Math.Abs(depths[1]) < r)
{
Vector vertex = closestVertexOnOBB(ca.samp, ra);
// get the distance from the closest vertex on rect to circle center
collisionNormal = vertex - ca.samp;
float mag = collisionNormal.magnitude();
collisionDepth = r - mag;
if (collisionDepth > 0)
{
// there is a collision in one of the vertex regions
collisionNormal /= mag;
}
else
{
// ra is in vertex region, but is not colliding
return false;
}
}
CollisionResolver.resolveParticleParticle(ra, ca, collisionNormal, collisionDepth);
return true;
}
private static bool testCirclevsCircle(CircleParticle ca, CircleParticle cb)
{
float depthX = testIntervals(ca.getIntervalX(), cb.getIntervalX());
if (depthX == 0) return false;
float depthY = testIntervals(ca.getIntervalY(), cb.getIntervalY());
if (depthY == 0) return false;
Vector collisionNormal = ca.samp - cb.samp;
float mag = collisionNormal.magnitude();
float collisionDepth = (ca.Radius + cb.Radius) - mag;
if (collisionDepth > 0)
{
collisionNormal /= mag;
CollisionResolver.resolveParticleParticle(ca, cb, collisionNormal, collisionDepth);
return true;
}
return false;
}
public Surfaces(int colA, int colB, int colC, int colD, int colE, int colBouncePad)
: base(false)
{
floor = new RectangleParticle(340, 327, 550, 50, 0, true, 1.0f, 0.3f, 0);
floor.SetStyle(0, colD, colD);
this.Particles.Add(floor);
ceil = new RectangleParticle(325, -33, 649, 80, 0, true, 1.0f, 0.3f, 0);
ceil.SetStyle(0, colD, colD);
this.Particles.Add(ceil);
rampRight = new RectangleParticle(375, 220, 390, 20, 0.405f, true, 1.0f, 0.3f, 0);
rampRight.SetStyle(0, colD, colD);
this.Particles.Add(rampRight);
rampLeft = new RectangleParticle(90, 200, 102, 20, -.7f, true, 1.0f, 0.3f, 0);
rampLeft.SetStyle(0, colD, colD);
this.Particles.Add(rampLeft);
rampLeft2 = new RectangleParticle(96, 129, 102, 20, -.7f, true, 1.0f, 0.3f, 0);
rampLeft2.SetStyle(0, colD, colD);
this.Particles.Add(rampLeft2);
rampCircle = new CircleParticle(175, 190, 60, true, 1.0f, 0.3f, 0);
rampCircle.SetStyle(1, colD, colB);
this.Particles.Add(rampCircle);
floorBump = new CircleParticle(600, 660, 400, true, 1.0f, 0.3f, 0);
floorBump.SetStyle(1, colD, colB);
this.Particles.Add(floorBump);
bouncePad = new RectangleParticle(30, 370, 32, 60, 0, true, 1.0f, 0.3f, 0);
bouncePad.SetStyle(1, colD, colBouncePad);
bouncePad.Elasticity = 4;
this.Particles.Add(bouncePad);
leftWall = new RectangleParticle(1, 99, 30, 500, 0, true, 1.0f, 0.3f, 0);
leftWall.SetStyle(0, colD, colD);
this.Particles.Add(leftWall);
leftWallChannelInner = new RectangleParticle(54, 300, 20, 150, 0, true, 1.0f, 0.3f, 0);
leftWallChannelInner.SetStyle(0, colD, colD);
this.Particles.Add(leftWallChannelInner);
leftWallChannel = new RectangleParticle(54, 122, 20, 94, 0, true, 1.0f, 0.3f, 0);
leftWallChannel.SetStyle(0, colD, colD);
this.Particles.Add(leftWallChannel);
leftWallChannelAng = new RectangleParticle(75, 65, 60, 25, -0.7f, true, 1.0f, 0.3f, 0);
leftWallChannelAng.SetStyle(0, colD, colD);
this.Particles.Add(leftWallChannelAng);
topLeftAng = new RectangleParticle(23, 11, 65, 40, -0.7f, true, 1.0f, 0.3f, 0);
topLeftAng.SetStyle(0, colD, colD);
this.Particles.Add(topLeftAng);
rightWall = new RectangleParticle(654, 230, 50, 500, 0, true, 1.0f, 0.3f, 0);
rightWall.SetStyle(0, colD, colD);
this.Particles.Add(rightWall);
bridgeStart = new RectangleParticle(127, 49, 75, 25, 0, true, 1.0f, 0.3f, 0);
bridgeStart.SetStyle(0, colD, colD);
this.Particles.Add(bridgeStart);
bridgeEnd = new RectangleParticle(483, 55, 100, 15, 0, true, 1.0f, 0.3f, 0);
bridgeEnd.SetStyle(0, colD, colD);
this.Particles.Add(bridgeEnd);
}