a crear tres clases la primera
Clase Shape
En esta clase es en donde se crean las diferentes figuras del juego, por cierto estas figuras se llamanTetrominoes.
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/**
*
* @author www.javafrikitutorials.com
*/
import java.util.Random;
public class Shape {
public enum Tetrominoes {
NoShape, ZShape, SShape, LineShape,
TShape, SquareShape, LShape, MirroredLShape
};
private Tetrominoes pieceShape;
private int coords[][];
private int[][][] coordsTable;
public Shape() {
coords = new int[4][2];
setShape(Tetrominoes.NoShape);
}
public void setShape(Tetrominoes shape) {
coordsTable = new int[][][]{
{{0, 0}, {0, 0}, {0, 0}, {0, 0}},
{{0, -1}, {0, 0}, {-1, 0}, {-1, 1}},
{{0, -1}, {0, 0}, {1, 0}, {1, 1}},
{{0, -1}, {0, 0}, {0, 1}, {0, 2}},
{{-1, 0}, {0, 0}, {1, 0}, {0, 1}},
{{0, 0}, {1, 0}, {0, 1}, {1, 1}},
{{-1, -1}, {0, -1}, {0, 0}, {0, 1}},
{{1, -1}, {0, -1}, {0, 0}, {0, 1}}
};
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 2; ++j) {
coords[i][j] = coordsTable[shape.ordinal()][i][j];
}
}
pieceShape = shape;
}
private void setX(int index, int x) {
coords[index][0] = x;
}
private void setY(int index, int y) {
coords[index][1] = y;
}
public int x(int index) {
return coords[index][0];
}
public int y(int index) {
return coords[index][1];
}
public Tetrominoes getShape() {
return pieceShape;
}
public void setRandomShape() {
Random r = new Random();
int x = Math.abs(r.nextInt()) % 7 + 1;
Tetrominoes[] values = Tetrominoes.values();
setShape(values[x]);
}
public int minX() {
int m = coords[0][0];
for (int i = 0; i < 4; i++) {
m = Math.min(m, coords[i][0]);
}
return m;
}
public int minY() {
int m = coords[0][1];
for (int i = 0; i < 4; i++) {
m = Math.min(m, coords[i][1]);
}
return m;
}
public Shape rotateLeft() {
if (pieceShape == Tetrominoes.SquareShape) {
return this;
}
Shape result = new Shape();
result.pieceShape = pieceShape;
for (int i = 0; i < 4; ++i) {
result.setX(i, y(i));
result.setY(i, -x(i));
}
return result;
}
public Shape rotateRight() {
if (pieceShape == Tetrominoes.SquareShape) {
return this;
}
Shape result = new Shape();
result.pieceShape = pieceShape;
for (int i = 0; i < 4; ++i) {
result.setX(i, -y(i));
result.setY(i, x(i));
}
return result;
}
}
