[게임엔진활용] 9강 플랫포머 게임 제작

플랫포머 게임 제작

- 충돌처리

- 이중점프

using UnityEngine;
using UnityEngine.InputSystem;
 
public class GameCollision : RenderView
{
    struct ColObj
    {
        public Color c; // index
        public Rect rt;// image, texture
    }
    ColObj[] co;
 
    float gravity = 720 * 4;// d / s
    float jump = 0;
    int jumpNum = 0;
 
    public override void load()
    {
        Rect[] rect = new Rect[6] {
            new Rect(200, 650, 120, 40),
            new Rect(500, 550, 120, 40),
            new Rect(800, 450, 120, 40),
            new Rect(1000, 350, 120, 40),
            new Rect(700, 150, 120, 40),
            new Rect(400, 200, 120, 40),
        };
 
        co = new ColObj[8];
        // 0 ~ 5 발판
        for (int i = 0; i < 6; i++)
        {
            co[i] = new ColObj();
            co[i].c = Color.red;
            co[i].rt = rect[i];
        }
        // hero
        ColObj c = new ColObj();
        c.c = Color.black;
        c.rt = new Rect(0, mc.devHeight - 60 - 500, 60, 60);
        co[6] = c;
        // item
        c = new ColObj();
        c.c = Color.yellow;
        c.rt = new Rect(400, 200 - 60, 60, 60);
        co[7] = c;
    }
 
    public override void free()
    {
    }
 
    public override void draw(float dt)
    {
        setRGBA(0, 0, 0, 0.5f);
        fillRect(0, 0, mc.devWidth, mc.devHeight);
 
        for (int i = 0; i < 8; i++)
        {
            ColObj c = co[i];
            Rect rt = c.rt;
            setRGBA(c.c.r, c.c.g, c.c.b, c.c.a);
            fillRect(rt.x, rt.y, rt.width, rt.height);
        }
        setRGBA(1, 1, 1, 1);
 
        ref ColObj hero = ref co[6];
        if (Keyboard.current.spaceKey.wasPressedThisFrame)
        {
            if (jumpNum < 2)
            {
                jumpNum++;
                Debug.Log("jumpNum = " + jumpNum);
                jump = -700;
            }
        }
        if (Keyboard.current.aKey.isPressed)
        {
            hero.rt.x -= 300 * dt;
        }
        else if (Keyboard.current.dKey.isPressed)
        {
            hero.rt.x += 300 * dt;
        }
 
        jump += gravity * dt;
        if (jump > gravity)
            jump = gravity;
        hero.rt.y += jump * dt;
 
        float h = mc.devHeight - hero.rt.height;
 
        for (int i = 0; i < 6; i++)
        {
            ref ColObj obj = ref co[i];
            if (containRect(hero.rt, obj.rt))
            {
                if (hero.rt.y > obj.rt.y - hero.rt.height - 1)
                    h = obj.rt.y - hero.rt.height - 1;
                break;
            }
        }
        ref ColObj item = ref co[7];
        if (item.c != Color.clear &&
            containRect(hero.rt, item.rt))
        {
            item.c = Color.clear;
            Debug.Log("GameOver");
        }
 
        if (hero.rt.y > h)
        {
            hero.rt.y = h;
            jumpNum = 0;
        }
    }
 
    public override void mouse(int state, float x, float y)
    {
    }
 
}