game1

main.rb

require "dxruby"
load "object.rb"
Window.width=800
Window.height=600
font = Font.new(32)
win = false
lose = false

def distance(obj1,obj2)
    Math.sqrt((obj1.x-obj2.x)**2 + (obj1.y-obj2.y)**2 )
end
r = 16
ball1 = Image.new(r*2,r*2).circleFill(r,r,r,[255,0,0])
ball2 = Image.new(r*2,r*2).circleFill(r,r,r,[0,255,0])

enemy1 = Object.new(ball1,100,100,0,8,0.1)
enemy2 = Object.new(ball1,400,100,0,8,0.1)

player = Object.new(ball2,300,500,0,8,0.1)


Window.loop do

    if distance(enemy1,enemy2) < r * 2
        enemy1.v_x = enemy2.v_x - enemy1.v_x
        enemy1.v_y = enemy2.v_y - enemy1.v_y
        enemy2.v_x = enemy1.v_x - enemy2.v_x
        enemy2.v_y = enemy1.v_y - enemy2.v_y
    end

    player.thate = Math.atan2(Input.y,Input.x)
    thate1 = Math.atan2(player.y - enemy1.y, player.x - enemy1.x)
    thate2 = Math.atan2(player.y - enemy2.y, player.x - enemy2.x)


    player.update(Input.x, Input.y)
    enemy1.update(Math.cos(thate1), Math.sin(thate1))
    enemy2.update(Math.cos(thate2), Math.sin(thate2))
    Window.draw(enemy1.x, enemy1.y, enemy1.image) if enemy1.exists
    Window.draw(enemy2.x, enemy2.y, enemy2.image) if enemy2.exists
    Window.draw(player.x, player.y, player.image) if player.exists

    unless 0<= enemy1.x && enemy1.x < Window.width &&
        0<= enemy1.y && enemy1.y < Window.height
        enemy1.delete
    end
    unless 0<= enemy2.x && enemy2.x < Window.width &&
        0<= enemy2.y && enemy2.y < Window.height
        enemy2.delete
    end
    if distance(enemy1,player) < r * 2 || distance(enemy2,player) < r * 2
        player.exists = false
    end
    unless 0<= player.x && player.x < Window.width &&
        0<= player.y && player.y < Window.height
        player.exists = false
    end

    if !enemy1.exists && !enemy2.exists && !lose
        Window.draw_font(100, 100, "Win", font)
        win = true
        player.delete
    end
    if !player.exists && !win
        lose = true
        Window.draw_font(100, 100, "Lose", font)
        enemy1.delete
        enemy2.delete
    end

end

object.rb

class Object
    def initialize(image,x,y,thate,f,dt)
        @image = image.clone
        @x, @y = x, y
        @v_x,@v_y = 0, 0
        @a_x, @a_y = 0, 0
        @thate = thate
        @f_x, @f_y = f, f
        @dt = dt
        @time = 1
        @exists = true
    end
    attr_accessor :image, :x, :y, :thate, :v_x, :v_y, :exists
    def update(a_x,a_y)
        if a_x * @v_x < 0 
            @f_x += 2
        else
            @f_x = 8
        end
        if a_y * @v_y < 0 
            @f_y += 2
        else
            @f_y = 8
        end
        dv_x = @f_x * a_x * @dt
        dv_y = @f_y * a_y * @dt


        @v_x += dv_x
        @v_y += dv_y

        dx = @v_x * @dt + @f_x * a_x * (2 * @time * @dt * @dt**2) / 2
        dy = @v_y * @dt + @f_y * a_y * (2 * @time * @dt * @dt**2) / 2

        @x += dx
        @y += dy
        #@time = @time + 1 if @time < 10
        
    end
    def delete
        @x = -100
        @y = -100
        @dt = 0
        @exists = false
    end
end