package main;

public class Vector3D {


	
	public double[] vector = null;
	
	public double x,y,z;
	
	public Vector3D(int size) {
		vector = new double[size];
	}
	
	public Vector3D(int size,double x,double y,double z,double t) {
		vector = new double[size];
		vector[0] = x;
		vector[1] = y;
		vector[2] = z;
		vector[3] = 1;
	}

	public double getX() {
		return x;
	}

	public double getY() {
		return y;
	}

	public double getZ() {
		return z;
	}

	public double[] getVector() {
		return vector;
	}

	public void setVector(int i,double s) {
		vector[i] = s;
	}
	
	public int getSize() {
		return vector.length;
	}
	
	public Vector3D addiereVector(Vector3D a,Vector3D b) {
		
		Vector3D vec = new Vector3D(3);
	    
	    for (int i = 0; i < vec.getSize(); i++) {
	    	vec.vector[i] = a.vector[i] + b.vector[i];
	    }
	    
	    return vec;
	}
	
	public Vector3D addiereMatrixmitVector(Matrix a,Vector3D b) {
		
		int m = a.getColumns();
		int n = a.getRows();
		
		Vector3D vec = new Vector3D(3);
	    
	    for (int i = 0; i < m; i++) {
	    	for (int j = 0; j < n; j++) {
	    		vec.vector[i] = a.getMatrix()[i][j] + b.vector[j];
	    	}
	    }
	    
	    return vec;
	}
	
	public static Vector3D multipliziereMatrixmitVector(Matrix a,Vector3D b) {
		
		int m = a.getColumns();
	    int n = a.getRows();
	    
	    Vector3D vec = new Vector3D(4);
	    
		for (int i = 0; i < m; i++) {
			for (int j = 0; j < n; j++) {
		    	vec.vector[i] += a.getMatrix()[i][j] * b.vector[j];
		    }
	    }
	    
	    return vec;
	}
	
	public Vector3D multipliziereVector(Vector3D a,Vector3D b) {
		
	    Vector3D vec = new Vector3D(3);
	    
		for (int i = 0; i < vec.getSize(); i++) {
		    vec.vector[i] += a.vector[i] * b.vector[i];
	    }
	    
	    return vec;
	}
	
	
	
	

	public String toString() {
		String s = "";
		for(int i = 0;i<vector.length;i++) {
			s += vector[i]+", ";
			s += "\n";
		}
		return s;
	}
}