| import { List } from 'immutable'; |
| import { blockShape, origin } from './const'; |
|
|
| class Block { |
| constructor(option) { |
| this.type = option.type; |
|
|
| if (!option.rotateIndex) { |
| this.rotateIndex = 0; |
| } else { |
| this.rotateIndex = option.rotateIndex; |
| } |
|
|
| if (!option.timeStamp) { |
| this.timeStamp = Date.now(); |
| } else { |
| this.timeStamp = option.timeStamp; |
| } |
|
|
| if (!option.shape) { |
| this.shape = List(blockShape[option.type].map(e => List(e))); |
| } else { |
| this.shape = option.shape; |
| } |
| if (!option.xy) { |
| switch (option.type) { |
| case 'I': |
| this.xy = List([0, 3]); |
| break; |
| case 'L': |
| this.xy = List([-1, 4]); |
| break; |
| case 'J': |
| this.xy = List([-1, 4]); |
| break; |
| case 'Z': |
| this.xy = List([-1, 4]); |
| break; |
| case 'S': |
| this.xy = List([-1, 4]); |
| break; |
| case 'O': |
| this.xy = List([-1, 4]); |
| break; |
| case 'T': |
| this.xy = List([-1, 4]); |
| break; |
| default: |
| break; |
| } |
| } else { |
| this.xy = List(option.xy); |
| } |
| } |
| rotate() { |
| const shape = this.shape; |
| let result = List([]); |
| shape.forEach(m => m.forEach((n, k) => { |
| const index = m.size - k - 1; |
| if (result.get(index) === undefined) { |
| result = result.set(index, List([])); |
| } |
| const tempK = result.get(index).push(n); |
| result = result.set(index, tempK); |
| })); |
| const nextXy = [ |
| this.xy.get(0) + origin[this.type][this.rotateIndex][0], |
| this.xy.get(1) + origin[this.type][this.rotateIndex][1], |
| ]; |
| const nextRotateIndex = this.rotateIndex + 1 >= origin[this.type].length ? |
| 0 : this.rotateIndex + 1; |
| return { |
| shape: result, |
| type: this.type, |
| xy: nextXy, |
| rotateIndex: nextRotateIndex, |
| timeStamp: this.timeStamp, |
| }; |
| } |
| fall(n = 1) { |
| return { |
| shape: this.shape, |
| type: this.type, |
| xy: [this.xy.get(0) + n, this.xy.get(1)], |
| rotateIndex: this.rotateIndex, |
| timeStamp: Date.now(), |
| }; |
| } |
| right() { |
| return { |
| shape: this.shape, |
| type: this.type, |
| xy: [this.xy.get(0), this.xy.get(1) + 1], |
| rotateIndex: this.rotateIndex, |
| timeStamp: this.timeStamp, |
| }; |
| } |
| left() { |
| return { |
| shape: this.shape, |
| type: this.type, |
| xy: [this.xy.get(0), this.xy.get(1) - 1], |
| rotateIndex: this.rotateIndex, |
| timeStamp: this.timeStamp, |
| }; |
| } |
| } |
|
|
| export default Block; |
|
|
