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219 lines
3.3 KiB
219 lines
3.3 KiB
package mightypork.utils.math.vect;
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import mightypork.utils.math.constraints.NumberConstraint;
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public abstract class AbstractVect implements Vect {
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private VectView proxy;
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private NumberConstraint xc;
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private NumberConstraint yc;
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private NumberConstraint zc;
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@Override
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public final VectVal getVec()
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{
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return value();
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}
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@Override
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public abstract double x();
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@Override
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public abstract double y();
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@Override
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public abstract double z();
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@Override
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public final int xi()
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{
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return (int) Math.round(x());
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}
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@Override
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public final int yi()
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{
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return (int) Math.round(y());
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}
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@Override
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public final int zi()
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{
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return (int) Math.round(z());
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}
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@Override
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public final NumberConstraint xc()
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{
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if (xc == null) xc = new NumberConstraint() {
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@Override
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public double getValue()
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{
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return x();
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}
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};
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return xc;
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}
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@Override
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public final NumberConstraint yc()
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{
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if (yc == null) yc = new NumberConstraint() {
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@Override
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public double getValue()
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{
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return y();
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}
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};
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return yc;
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}
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@Override
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public final NumberConstraint zc()
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{
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if (zc == null) zc = new NumberConstraint() {
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@Override
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public double getValue()
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{
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return z();
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}
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};
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return zc;
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}
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@Override
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public final double size()
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{
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final double x = x(), y = y(), z = z();
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return Math.sqrt(x * x + y * y + z * z);
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}
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@Override
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public final boolean isZero()
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{
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return x() == 0 && y() == 0 && z() == 0;
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}
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@Override
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public VectVal value()
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{
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return new VectVal(this);
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}
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@Override
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public final double distTo(Vect point)
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{
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final double dx = x() - point.x();
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final double dy = y() - point.y();
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final double dz = z() - point.z();
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return Math.sqrt(dx * dx + dy * dy + dz * dz);
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}
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@Override
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public final VectVal midTo(Vect point)
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{
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final double dx = (point.x() - x()) * 0.5;
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final double dy = (point.y() - y()) * 0.5;
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final double dz = (point.z() - z()) * 0.5;
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return VectVal.make(dx, dy, dz);
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}
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@Override
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public final VectVal vecTo(Vect point)
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{
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return VectVal.make(point.x() - x(), point.y() - y(), point.z() - z());
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}
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@Override
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public final VectVal cross(Vect vec)
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{
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//@formatter:off
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return VectVal.make(
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y() * vec.z() - z() * vec.y(),
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z() * vec.x() - x() * vec.z(),
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x() * vec.y() - y() * vec.x());
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//@formatter:on
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}
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@Override
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public final double dot(Vect vec)
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{
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return x() * vec.x() + y() * vec.y() + z() * vec.z();
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}
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@Override
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public VectMutable mutable()
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{
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return VectMutable.make(this);
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}
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@Override
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public VectView view()
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{
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if (proxy == null) proxy = new VectProxy(this);
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return proxy;
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}
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@Override
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public int hashCode()
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{
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final int prime = 31;
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int result = 1;
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result = prime * result + Double.valueOf(x()).hashCode();
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result = prime * result + Double.valueOf(y()).hashCode();
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result = prime * result + Double.valueOf(z()).hashCode();
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return result;
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}
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@Override
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public boolean equals(Object obj)
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{
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if (this == obj) return true;
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if (obj == null) return false;
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if (!(obj instanceof Vect)) return false;
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final Vect other = (Vect) obj;
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return x() == other.x() && y() == other.y() && z() == other.z();
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}
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@Override
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public String toString()
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{
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return String.format("(%.1f %.1f %.1f)", x(), y(), z());
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}
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}
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