타일 ​​기반 플랫 포머에서 간단한 45 ° 경사를 원하지만 알고리즘을 다운시키는 것만으로는 불가능합니다. 코드와 비디오를 살펴보십시오. 아마도 분명하지 않습니까?

//collisionRectangle is the collision rectangle of the player with 
//origin at the top left and width and height
//wantedPosition is the new position the player will be set to.
//this is determined elsewhere by checking the bottom center point of the players rect
if(_leftSlope || _rightSlope)
{        
    //Test bottom center point
    var calculationPoint = new Vector2(collisionRectangle.Center.X, collisionRectangle.Bottom);
    //Get the collision rectangle of the tile, origin is top-left
    Rectangle cellRect =
        _tileMap.CellWorldRectangle(
            _tileMap.GetCellByPixel(calculationPoint));
    //Calculate the new Y coordinate depending on if its a left or right slope
    //CellSize = 8
    float newY = _leftSlope
                            ? (calculationPoint.X % CellSize) + cellRect.Y
                            : (-1 * (calculationPoint.X % CellSize) - CellSize) + cellRect.Y;
    //reset variables so we dont jump in here next frame
    _leftSlope = false;
    _rightSlope = false;
    //now change the players Y according to the difference of our calculation
    wantedPosition.Y += newY - calculationPoint.Y;
}

어떻게 생겼는지에 대한 비디오 :
http://youtu.be/EKOWgD2muoc

답변

y1 = y + (x1 - x) * (v / u)

y1 = y + (x1 - x)

y1 = y + (v - (x1 - x))