Method addGround

code/main/Desert.ts:166–175

(...positions: number[])

    }
    
    private addGround(...positions: number[]): void{
        // Create the wall entity
        this.addEntity(new Wall(this, new Pos(0, 26)));
        var wall: Wall = <Wall>(this.getLastEntity());
        
        // Add the boxes
        for(var i = 0; i < positions.length/3; i++){
            wall.addBox(new Pos(positions[i*3], positions[i*3+2]), new Pos(positions[i*3+1] - positions[i*3] + 1, 4-positions[i*3+2]));
        }
    }
    
    private setNextBirdAt(): void{
        this.nextBirdAt = 20 + Random.upTo(30);