/// <summary>Rotates the given point around the given parent.</summary>
/// <remarks>Rotates the given point around the given parent.</remarks>
/// <param name="parent"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="target">save new position in</param>
public static void translateRelative(com.brashmonkey.spriter.objects.SpriterAbstractObject
parent, float x, float y, com.brashmonkey.spriter.objects.SpriterAbstractObject
target)
{
float px = x * (parent.getScaleX());
float py = y * (parent.getScaleY());
float s = (float)System.Math.Sin(DegreeToRadian(parent.getAngle()));
float c = (float)System.Math.Cos(DegreeToRadian(parent.getAngle()));
float xnew = (px * c) - (py * s);
float ynew = (px * s) + (py * c);
xnew += parent.getX();
ynew += parent.getY();
target.setX(xnew);
target.setY(ynew);
}
public virtual void resolve(float x, float y, int chainLength, com.brashmonkey.spriter.objects.SpriterAbstractObject
effector)
{
float xx = effector.getX() + (float)System.Math.Cos(SpriterCalculator.DegreeToRadian(effector
.getAngle())) * SpriterCalculator.BONE_LENGTH * effector
.getScaleX();
float yy = effector.getY() + (float)System.Math.Sin(SpriterCalculator.DegreeToRadian(effector
.getAngle())) * SpriterCalculator.BONE_LENGTH * effector
.getScaleX();
effector.setAngle(com.brashmonkey.spriter.SpriterCalculator.angleBetween(effector
.getX(), effector.getY(), x, y));
if (this.player.getFlipX() == -1)
{
effector.setAngle(effector.getAngle() + 180f);
}
com.brashmonkey.spriter.objects.SpriterBone parent = null;
if (effector.hasParent())
{
parent = player.getRuntimeBones()[effector.getParentId()];
effector.copyValuesTo(temp);
com.brashmonkey.spriter.SpriterCalculator.reTranslateRelative(parent, temp);
if (effector is com.brashmonkey.spriter.objects.SpriterBone)
{
temp.copyValuesTo(player.lastFrame.getBones()[effector.getId()]);
}
else
{
temp.copyValuesTo(player.lastFrame.getObjects()[effector.getId()]);
}
}
for (int i = 0; i < chainLength && parent != null; i++)
{
if (com.brashmonkey.spriter.SpriterCalculator.distanceBetween(xx, yy, x, y) <= 1)
{
return;
}
parent.setAngle(parent.getAngle() + com.brashmonkey.spriter.SpriterCalculator.angleDifference
(com.brashmonkey.spriter.SpriterCalculator.angleBetween(parent.getX(), parent.getY
(), x, y), com.brashmonkey.spriter.SpriterCalculator.angleBetween(parent.getX(),
parent.getY(), xx, yy)));
this.player.updateRecursively(parent);
if (parent.hasParent())
{
parent = player.getRuntimeBones()[parent.getParent().getId()];
}
else
{
parent = null;
}
xx = effector.getX() + (float)System.Math.Cos(SpriterCalculator.DegreeToRadian(effector.getAngle
())) * SpriterCalculator.BONE_LENGTH * effector.getScaleX
();
yy = effector.getY() + (float)System.Math.Sin(SpriterCalculator.DegreeToRadian(effector.getAngle
())) * SpriterCalculator.BONE_LENGTH * effector.getScaleX
();
}
}
private void modObject(com.brashmonkey.spriter.objects.SpriterAbstractObject @object
)
{
@object.setAngle(@object.getAngle() + this.angle);
@object.setScaleX(@object.getScaleX() * this.scaleX);
@object.setScaleY(@object.getScaleY() * this.scaleY);
@object.setX(@object.getX() + this.x);
@object.setY(@object.getY() + this.y);
}
public static void reTranslateRelative(com.brashmonkey.spriter.objects.SpriterAbstractObject
parent, float x, float y, com.brashmonkey.spriter.objects.SpriterAbstractObject
target)
{
target.setAngle(target.getAngle() - parent.getAngle());
target.setScaleX(target.getScaleX() / parent.getScaleX());
target.setScaleY(target.getScaleY() / parent.getScaleY());
float xx = x - parent.getX();
float yy = y - parent.getY();
double angle = DegreeToRadian(parent.getAngle());
float cos = (float)System.Math.Cos(angle);
float sin = (float)System.Math.Sin(angle);
float newX = yy * sin + xx * cos;
float newY = yy * cos - xx * sin;
target.setX(newX / parent.getScaleX());
target.setY(newY / parent.getScaleY());
}
private void interpolateAbstractObject(com.brashmonkey.spriter.objects.SpriterAbstractObject
target, com.brashmonkey.spriter.objects.SpriterAbstractObject obj1, com.brashmonkey.spriter.objects.SpriterAbstractObject
obj2, float startTime, float endTime, float frame)
{
if (obj2 == null)
{
return;
}
target.setX(this.interpolate(obj1.getX(), obj2.getX(), startTime, endTime, frame)
);
target.setY(this.interpolate(obj1.getY(), obj2.getY(), startTime, endTime, frame)
);
target.setScaleX(this.interpolate(obj1.getScaleX(), obj2.getScaleX(), startTime,
endTime, frame));
target.setScaleY(this.interpolate(obj1.getScaleY(), obj2.getScaleY(), startTime,
endTime, frame));
target.setAngle(this.interpolateAngle(obj1.getAngle(), obj2.getAngle(), startTime
, endTime, frame));
}