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76 lines
1.4 KiB
76 lines
1.4 KiB
package mightypork.utils.math.vect;
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import mightypork.gamecore.control.interf.DefaultImpl;
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import mightypork.utils.math.constraints.NumBound;
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/**
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* Read-only coordinate, whose values cannot be changed directly. To keep
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* current state, use the value() method.
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*
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* @author MightyPork
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*/
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public abstract class VectView extends VectMath<VectVal> { // returns constant value on edit
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/**
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* Make a proxy view at a vector.
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*
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* @param observed vector to observe
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* @return view
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*/
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public static VectView make(Vect observed)
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{
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return observed.view();
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}
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/**
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* Make a view at number constraints, reflecting their future changes.
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*
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* @param xc X value
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* @param yc Y value
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* @return view at the values
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*/
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public static VectView make(NumBound xc, NumBound yc)
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{
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return new NumConstrVect(xc, yc);
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}
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/**
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* Make a view at number constraints, reflecting their future changes.
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*
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* @param xc X value
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* @param yc Y value
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* @param zc Z value
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* @return view at the values
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*/
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public static VectView make(NumBound xc, NumBound yc, NumBound zc)
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{
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return new NumConstrVect(xc, yc, zc);
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}
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@Override
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public VectVal result(double x, double y, double z)
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{
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return VectVal.make(x, y, z);
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}
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@Override
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public VectView view()
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{
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return this; // already a view
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}
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@Override
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@DefaultImpl
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public double z()
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{
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return 0; // implemented for ease with 2D anonymous subtypes
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}
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}
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