Added old sources; initial commit.

2014-05-24 20:28:49 +02:00
parent 7f50a261eb
commit 3d7bda9331
661 changed files with 114251 additions and 0 deletions
@@ -0,0 +1,291 @@
+package com.porcupine.coord;
+
+
+import com.porcupine.math.Calc;
+
+
+/**
+ * Rectangle determined by two coordinates - min and max.
+ * 
+ * @author MightyPork
+ */
+public class Rect {
+
+	/** Lowest coordinates xy */
+	protected Coord min = new Coord();
+	/** Highest coordinates xy */
+	protected Coord max = new Coord();
+
+	/**
+	 * New Rect
+	 */
+	public Rect() {
+		this(0, 0, 0, 0);
+	}
+
+	/**
+	 * New Rect
+	 * 
+	 * @param x1 lower x
+	 * @param y1 lower y
+	 * @param x2 upper x
+	 * @param y2 upper y
+	 */
+	public Rect(double x1, double y1, double x2, double y2) {
+		setTo(x1, y1, x2, y2);
+	}
+
+	/**
+	 * New rect of two coords
+	 * 
+	 * @param c1 coord 1
+	 * @param c2 coord 2
+	 */
+	public Rect(Coord c1, Coord c2) {
+		this(c1.x, c1.y, c2.x, c2.y);
+	}
+
+	/**
+	 * New rect as a copy of other rect
+	 * 
+	 * @param r other rect
+	 */
+	public Rect(Rect r) {
+		this(r.min.x, r.min.y, r.max.x, r.max.y);
+	}
+
+	/**
+	 * Get a copy
+	 * 
+	 * @return copy
+	 */
+	public Rect copy() {
+		return new Rect(this);
+	}
+
+	/**
+	 * Offset in place (add)
+	 * 
+	 * @param move offset vector
+	 * @return this
+	 */
+	public Rect add_ip(Vec move) {
+		min.add_ip(move);
+		max.add_ip(move);
+		return this;
+	}
+
+	/**
+	 * Get offset copy (add)
+	 * 
+	 * @param move offset vector
+	 * @return offset copy
+	 */
+	public Rect add(Vec move) {
+		return copy().add_ip(move);
+	}
+
+	/**
+	 * Offset in place (subtract)
+	 * 
+	 * @param move offset vector
+	 * @return this
+	 */
+	public Rect sub_ip(Vec move) {
+		min.sub_ip(move);
+		max.sub_ip(move);
+		return this;
+	}
+
+	/**
+	 * Get offset copy (subtract)
+	 * 
+	 * @param move offset vector
+	 * @return offset copy
+	 */
+	public Rect sub(Vec move) {
+		return copy().sub_ip(move);
+	}
+
+	/**
+	 * @return lowest coordinates xy
+	 */
+	public Coord getMin() {
+		return min;
+	}
+
+	/**
+	 * @return highjest coordinates xy
+	 */
+	public Coord getMax() {
+		return max;
+	}
+
+	/**
+	 * Check if point is inside this rectangle
+	 * 
+	 * @param point point to test
+	 * @return is inside
+	 */
+	public boolean isInside(Coord point) {
+		return Calc.inRange(point.x, min.x, max.x) && Calc.inRange(point.y, min.y, max.y);
+	}
+
+	/**
+	 * Get size (width, height) as (x,y)
+	 * 
+	 * @return coord of width,height
+	 */
+	public Coord getSize() {
+		return new Coord(Math.abs(min.x - max.x), Math.abs(min.y - max.y));
+	}
+
+	/**
+	 * Get rect center
+	 * 
+	 * @return center
+	 */
+	public Coord getCenter() {
+		return min.midTo(max);
+	}
+
+	/**
+	 * Get center of the lower edge.
+	 * 
+	 * @return center
+	 */
+	public Coord getCenterDown() {
+		return new Coord((max.x + min.x) / 2, min.y);
+	}
+
+	/**
+	 * Get center of the left edge.
+	 * 
+	 * @return center
+	 */
+	public Coord getCenterLeft() {
+		return new Coord(min.x, (max.y + min.y) / 2);
+	}
+
+	/**
+	 * Get center of the top edge.
+	 * 
+	 * @return center
+	 */
+	public Coord getCenterTop() {
+		return new Coord((max.x + min.x) / 2, max.y);
+	}
+
+	/**
+	 * Get center of the right edge.
+	 * 
+	 * @return center
+	 */
+	public Coord getCenterRight() {
+		return new Coord(max.x, (max.y + min.y) / 2);
+	}
+
+	/**
+	 * @return lower x
+	 */
+	public double x1() {
+		return min.x;
+	}
+
+	/**
+	 * @return lower y
+	 */
+	public double y1() {
+		return min.y;
+	}
+
+	/**
+	 * @return upper x
+	 */
+	public double x2() {
+		return max.x;
+	}
+
+	/**
+	 * @return upper y
+	 */
+	public double y2() {
+		return max.y;
+	}
+
+	/**
+	 * Set to other rect's coordinates
+	 * 
+	 * @param r other rect
+	 */
+	public void setTo(Rect r) {
+		min.setTo(r.min);
+		max.setTo(r.max);
+	}
+
+
+	/**
+	 * Set to coordinates
+	 * 
+	 * @param x1 lower x
+	 * @param y1 lower y
+	 * @param x2 upper x
+	 * @param y2 upper y
+	 */
+	public void setTo(double x1, double y1, double x2, double y2) {
+		min.x = Calc.min(x1, x2);
+		min.y = Calc.min(y1, y2);
+		max.x = Calc.max(x1, x2);
+		max.y = Calc.max(y1, y2);
+	}
+
+	@Override
+	public String toString() {
+		return "rect{ " + min + " - " + max + " }";
+	}
+
+	/**
+	 * Add X and Y to all coordinates in place
+	 * 
+	 * @param x x to add
+	 * @param y y to add
+	 * @return this
+	 */
+	public Rect add_ip(double x, double y) {
+		return add_ip(new Vec(x, y));
+	}
+
+
+	/**
+	 * Subtract X and Y from all coordinates in place
+	 * 
+	 * @param x x to subtract
+	 * @param y y to subtract
+	 * @return this
+	 */
+	public Rect sub_ip(double x, double y) {
+		return sub_ip(new Vec(x, y));
+	}
+
+	/**
+	 * Add X and Y to all coordinates in a copy
+	 * 
+	 * @param x x to add
+	 * @param y y to add
+	 * @return copy changed
+	 */
+	public Rect add(double x, double y) {
+		return add(new Vec(x, y));
+	}
+
+	/**
+	 * Subtract X and Y from all coordinates in a copy
+	 * 
+	 * @param x x to subtract
+	 * @param y y to subtract
+	 * @return copy changed
+	 */
+	public Rect sub(double x, double y) {
+		return sub(new Vec(x, y));
+	}
+}