package mz_macros;
import harmonic.mz.function.*;
import harmonic.cad.shapes.*;
import harmonic.cad.manager.*;
import harmonic.mz.manager.*;
import harmonic.mz.gui.*;
import harmonic.mz.data.fields.*;
import java.util.*;
import java.awt.*;

public class MakeHelix extends Module{
	ScalarField radius = new ScalarField("radius", 1.f);
	ScalarField height = new ScalarField("height", 1.f);
	ScalarField turns = new ScalarField("turns", 1.f);
	IntField samplesPerTurn = new IntField("samplesPerTurn", 32);

	public MakeHelix(){
		setName("Make Helix");
		MZ.modules().loadModule("harmonic.cad.manager.CAD");
	}

	public Component macroGUI(){
		Vector nodes = new Vector();
		nodes.add(radius);
		nodes.add(height);
		nodes.add(turns);
		nodes.add(samplesPerTurn);
		return new NodeValuesDialog(nodes, "Make Helix");
	}

	public void execute(){
		PolylineShape shape = new PolylineShape();
		shape.setName("Helix");
		float radius = this.radius.getScalar();
		float turns = this.turns.getScalar();
		float height = this.height.getScalar();
		float samplesPerTurn = this.samplesPerTurn.getInt();
		float angle = 0.f;
		float z = 0.f;
		float da = (float)(Math.PI*2.f/samplesPerTurn);
		float dz = height/samplesPerTurn;
		for(int i = 0; i < samplesPerTurn*turns + 1; i++){
			float x = radius*(float)Math.cos(angle);
			float y = radius*(float)Math.sin(angle);
			shape.points.addVert(x, y, z);
			z += dz;
			angle += da;
		}
		CAD.addShape(shape);
	}
}