C＃XNA等距平铺引擎问题
我目前正在开展一个学校项目，我需要开发一个等距游戏。不幸的是，因为我的老师对游戏开发一无所知（已经专注于转换到新学校），我被困住了。
现在我可以轻松地绘制游戏地图，但它停止了。当我添加角色时，我看到它被渲染但我无法移动它。我很可能搞乱了IsoToScreen和ScreenToIso数学问题。
当我试图将我的角色移动1px时，由于某种原因它会立即离开屏幕。
这是我用于将简单2D转换为2.5D等距的IsoMath类
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
namespace Beowulf
{
class IsoMath
{
private double tw, th, tx, ty, sx, sy;
public IsoMath(double width, double height)
{
tw = width;
th = height;
}
public Vector2 ScreenToIsoTile(Vector2 start, Vector2 offset, Vector2 screenOriginPoint)
{
Vector2 ret = new Vector2(0, 0);
sx = start.X - (screenOriginPoint.X + offset.X);
sy = start.Y - (screenOriginPoint.Y + offset.Y);
tx = System.Math.Round((sx / (tw * 2)) + (sy / (th * 2))) - 1;
ty = System.Math.Round((-sx / (tw * 2)) + (sy / (th * 2)));
ret.X = (float)tx;
ret.Y = (float)ty;
return ret;
}
public Vector2 ScreenToIsoPoint(float x, float y)
{
Vector2 ret = new Vector2(0, 0);
tx = (x - y) * tw;
ty = (x + y) * th;
ret.X = (float)tx * .5f;
ret.Y = (float)ty * .5f;
return ret;
}
public Vector2 IsoToScreenPoint(float x, float y)
{
Vector2 ret = new Vector2(0, 0);
tx = (x + y) / tw;
ty = (x - y) / th;
ret.X = (float)tx / .5f;
ret.Y = (float)ty * -1;
return ret;
}
public Vector2 ScreenToIso(float x, float y)
{
Vector2 ret = new Vector2(0, 0);
tx = (x - y);
ty = (x + y);
ret.X = (float)tx;
ret.Y = (float)ty;
return ret;
}
public Vector2 IsoToScreen(float x, float y)
{
Vector2 ret = new Vector2(0, 0);
tx = (x + y);
ty = (x - y);
ret.X = (float)tx * .5f;
ret.Y = -(float)ty / 2;
return ret;
}
}
Vector2 plPos = isoMath.ScreenToIsoPoint(pl.X, pl.Y);
plPos.X += x;
plPos.Y += y;
pl.Draw(spriteBatch, plPos);
for (int i = 0; i < scene.width; i++)
{
for (int j = 0; j < scene.height; j++)
{
Vector2 p = isoMath.ScreenToIsoPoint(i, j);
Rectangle r = new Rectangle(0, 0, graphics.PreferredBackBufferWidth, graphics.PreferredBackBufferHeight);
if (r.Contains(new Point((int)(((p.X) + x)), (int)((p.Y) + y))) || r.Contains(new Point((int)((p.X) + x) + tile.Width, (int)((p.Y) + y + tile.Height))) || r.Contains(new Point((int)((p.X) + x) + tile.Width, (int)((p.Y) + y))) || r.Contains(new Point((int)((p.X) + x), (int)((p.Y) + y + tile.Height))))
{
spriteBatch.Draw(tile, new Rectangle((int)((p.X) + x), (int)((p.Y) + y), (int)(tile.Width * 1.02), (int)(tile.Height * 1.02)), Color.White);
}
}
}
没有找到相关结果
已邀请:
2 个回复
bab
Texture2D[] texture; Rectangle rec; int[] mapData = { 0,0,1,1, 0,0,0,0, 0,0,0,0}; int mapWidth = 4; int mapY = 0; int mapX = 0; public Map(Texture2D[] tex) { texture = tex; rec = new Rectangle(200, 10, tex[0].Width, tex[0].Height); } public void draw(SpriteBatch spriteBatch) { spriteBatch.Begin(); for (int i = 1; i < mapData.Length; i++) { if (mapX >= mapWidth) { mapY++; mapX = 0; } else { mapX++; spriteBatch.Draw(texture[mapData[i]], new Rectangle((200 - ((rec.Width / 2) * (mapX))) + (rec.X + ((rec.Width / 2) * (mapY))), (rec.Y + (16 * (mapX))) + (16) * mapY, rec.Width, rec.Height), Color.White); } } spriteBatch.End(); }室邢