private void resolveLightOverlap(LightBeam body1, Body body2, float distance)
{
for (int i = 0; i < distance + (int)body1.halfWidth * 4; i += (int)body1.halfWidth * 4)
{
LightBeam beamTile = new LightBeam(body1.plOwner, (int)body1.velocity.GetAngleDegrees());
beamTile.rotation = body1.velocity.GetAngleDegrees();
beamTile.x = body1.plOwner.x + body1.velocity.x / body1._speed * i;
beamTile.y = body1.plOwner.y + body1.velocity.y / body1._speed * i;
AddBody(beamTile);
}
RemoveBody(body1);
if (body2 is StaticCrystal)
{
StaticCrystal c = body2 as StaticCrystal;
c.OnLightBeam();
}
if (body2 is Sapling && (body2 as Sapling).isActivated == false)
{
Sapling s = body2 as Sapling;
s.isActivated = true;
for (int i = bodies.Count; i > 0; i--)
{
if (bodies[i - 1] is Gate && (bodies[i - 1] as Gate)._activateID == s._activateID)
{
Gate g = bodies[i - 1] as Gate;
// play sound here I guess
Smoke smoke = new Smoke(g.x, g.y, 2);
game.AddChild(smoke);
RemoveBody(g);
new Sound("PlantSeed.wav", false).Play();
}
}
}
_beamTimer = TIME_BEFORE_REMOVEBEAM;
}
private void resolveOverlap(Body body1, Body body2, Vec2 normal, float distance, bool floored)
{
Vec2 separation = normal * distance /** 0.5f*/;
// ignore collisions with static light beam tiles:
if ((body1 is LightBeam && (body1 as LightBeam)._speed == 0) ||
(body2 is LightBeam && (body2 as LightBeam)._speed == 0))
{
return;
}
// ignore any possible collision between Player1 and Player2:
if (body1 is Player1 && body2 is Player2)
{
return;
}
// ignore any collision between light beams and the object shooting them:
if (body2 is LightBeam)
{
if (body1 == (body2 as LightBeam).plOwner)
{
return;
}
}
// ignore collisions between gates and tiles (do not push tiles with gates behind them):
if (body1 is Gate && body2 is Tile)
{
return;
}
// stop light beam from advancing on non-Player2 surfaces
// and return (skip actual resolve checks to emulate non-solid):
if (body1 is Player2 == false && body2 is LightBeam)
{
LightBeam b = body2 as LightBeam;
resolveLightOverlap(b, body1, b.travelDist);
return;
}
// BUTTON collision:
// on collision (after clipping) between seed/slime and ground
// button, destroy gate that button is linked to:
if (body2 is Button)
{
Button button = body2 as Button;
if (button.isActivated == false)
{
if (button._buttonType == (int)Button.bType.SEED)
{
if (body1 is Seed)
{
button.isActivated = true;
for (int i = bodies.Count; i > 0; i--)
{
if (bodies[i - 1] is Gate && (bodies[i - 1] as Gate)._activateID == button._activateID)
{
// play sound here I guess
bodies[i - 1].LateDestroy();
Smoke smoke = new Smoke(bodies[i - 1].x, bodies[i - 1].y, 2);
game.AddChild(smoke);
RemoveBody(body1);
RemoveBody(bodies[i - 1]);
new Sound("PlantSeed.wav", false).Play();
button.SetFrame(1);
}
}
}
}
if (button._buttonType == (int)Button.bType.SLIME)
{
if (body1 is Player1)
{
button.isActivated = true;
#region REMOVE GATE (DISABLED)
/*for (int i = bodies.Count; i > 0; i--)
* {
* if (bodies[i - 1] is Gate && (bodies[i - 1] as Gate)._activateID == button._activateID)
* {
* // play sound here I guess
* RemoveBody(bodies[i - 1]);
* bodies[i - 1].LateDestroy();
* }
* }*/
#endregion
// spawn sapling instead
Sapling s = new Sapling(99);
s.rotation = 270;
AddBody(s);
s.SetPosition(384, 576);
}
}
}
}
// restore jump on floor:
if (body1 is Player1 && floored)
{
(body1 as Player1).canJump = true;
}
if (body1 is Player2 && floored)
{
(body1 as Player2).canJump = true;
}
// crush rocks:
if (body1 is Player1 && (body1 as Player1)._scale > 1 && body2 is Rock)
{
StaticCrystal crystal = new StaticCrystal(90, 1);
crystal.SetPosition(body2.position.x, body2.position.y);
crystal.acceleration = new Vec2(0, 0);
AddBody(crystal);
(body2 as Rock).Delete();
RemoveBody(body2);
new Sound("RockCrushed.wav", false).Play();
}
// change scene on exit:
else if ((body1 is Player1 || body1 is Player2) && body2 is Exit)
{
// TODO: End game SOMEHOW
return;
}
// move movable body together with pusher:
else if (body2.movable && normal.y == 0)
{
if (normal.x < 0)
{
body2.position -= separation * body1.velocity.x;
body1.position += separation * body1.velocity.x;
}
else if (normal.x > 0)
{
body2.position += separation * body1.velocity.x;
body1.position -= separation * body1.velocity.x;
}
return;
}
// clip on top of clippable only from movement from the side:
else if (body2 is Box && (body2 as Box).clippable && normal.y == 0)
{
body1.position.y = body2.position.y - (body2 as Box).halfHeight - (body1 as Box).halfHeight;
return;
}
// apply separation (main collision resolve) and kill relevant velocity:
body1.position += separation;
if (normal.x == 0)
{
body1.velocity.y = 0;
}
if (normal.y == 0)
{
body1.velocity.x = 0;
}
}