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Root/axios/ScreenSystem/ConvertUnits.cs

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using Microsoft.Xna.Framework;
 
namespace FarseerPhysics.SamplesFramework
{
    /// <summary>
    /// Convert units between display and simulation units.
    /// </summary>
    public static class ConvertUnits
    {
        private static float _displayUnitsToSimUnitsRatio = 100f;
        private static float _simUnitsToDisplayUnitsRatio = 1 / _displayUnitsToSimUnitsRatio;
 
        public static void SetDisplayUnitToSimUnitRatio(float displayUnitsPerSimUnit)
        {
            _displayUnitsToSimUnitsRatio = displayUnitsPerSimUnit;
            _simUnitsToDisplayUnitsRatio = 1 / displayUnitsPerSimUnit;
        }
 
        public static float ToDisplayUnits(float simUnits)
        {
            return simUnits * _displayUnitsToSimUnitsRatio;
        }
 
        public static float ToDisplayUnits(int simUnits)
        {
            return simUnits * _displayUnitsToSimUnitsRatio;
        }
 
        public static Vector2 ToDisplayUnits(Vector2 simUnits)
        {
            return simUnits * _displayUnitsToSimUnitsRatio;
        }
 
        public static void ToDisplayUnits(ref Vector2 simUnits, out Vector2 displayUnits)
        {
            Vector2.Multiply(ref simUnits, _displayUnitsToSimUnitsRatio, out displayUnits);
        }
 
        public static Vector3 ToDisplayUnits(Vector3 simUnits)
        {
            return simUnits * _displayUnitsToSimUnitsRatio;
        }
 
        public static Vector2 ToDisplayUnits(float x, float y)
        {
            return new Vector2(x, y) * _displayUnitsToSimUnitsRatio;
        }
 
        public static void ToDisplayUnits(float x, float y, out Vector2 displayUnits)
        {
            displayUnits = Vector2.Zero;
            displayUnits.X = x * _displayUnitsToSimUnitsRatio;
            displayUnits.Y = y * _displayUnitsToSimUnitsRatio;
        }
 
        public static float ToSimUnits(float displayUnits)
        {
            return displayUnits * _simUnitsToDisplayUnitsRatio;
        }
 
        public static float ToSimUnits(double displayUnits)
        {
            return (float)displayUnits * _simUnitsToDisplayUnitsRatio;
        }
 
        public static float ToSimUnits(int displayUnits)
        {
            return displayUnits * _simUnitsToDisplayUnitsRatio;
        }
 
        public static Vector2 ToSimUnits(Vector2 displayUnits)
        {
            return displayUnits * _simUnitsToDisplayUnitsRatio;
        }
 
        public static Vector3 ToSimUnits(Vector3 displayUnits)
        {
            return displayUnits * _simUnitsToDisplayUnitsRatio;
        }
 
        public static void ToSimUnits(ref Vector2 displayUnits, out Vector2 simUnits)
        {
            Vector2.Multiply(ref displayUnits, _simUnitsToDisplayUnitsRatio, out simUnits);
        }
 
        public static Vector2 ToSimUnits(float x, float y)
        {
            return new Vector2(x, y) * _simUnitsToDisplayUnitsRatio;
        }
 
        public static Vector2 ToSimUnits(double x, double y)
        {
            return new Vector2((float)x, (float)y) * _simUnitsToDisplayUnitsRatio;
        }
 
        public static void ToSimUnits(float x, float y, out Vector2 simUnits)
        {
            simUnits = Vector2.Zero;
            simUnits.X = x * _simUnitsToDisplayUnitsRatio;
            simUnits.Y = y * _simUnitsToDisplayUnitsRatio;
        }
    }
}
Source at commit 0737379cc88f created 12 years 3 months ago.
By Nathan Adams, Adding visible property to SimpleDrawableAxiosGameObject

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