Irrlicht Engine

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using IrrlichtLime.Core;
 
namespace FleetCommand.Physics {
 
    // the core class will contain definitions used in the physics portion
    internal class core {
        internal static float GRAVITY = -9.81f;         // gravity does not necessarily affect the y axis so use as a float
        internal static float HIGH_GRAVITY = -19.62f;
    }
 
 
    internal class Vector {
     
        // create a new vector that is the componenet wise product of the  two vectors passed   V = V1 o V2
        internal static Vector3Df ComponenetProduct(Vector3Df v1, Vector3Df v2) {
            return new Vector3Df(v1.X * v2.X, v1.Y * v2.Y, v1.Z * v2.Z);
        }
 
 
        // in place componenet product update.   V1 = V1 o V2
        internal static void ComponenetProductUpdate(Vector3Df v1, Vector3Df v2) {
            v1.X *= v2.X;
            v1.Y *= v2.Y;
            v1.Z *= v2.Z;
        }
 
 
        // add a vector that is also scaled    V1 = V1 + V2 * S
        internal static void AddScaledVector(Vector3Df v1, Vector3Df v2, float scale) {
            v1.X += v2.X * scale;
            v1.Y += v2.Y * scale;
            v1.Z += v2.Z * scale;
        }
 
 
        // puts a alimit on the size of the vector, no point in have a vector magnitudes larger than the view area.
        internal static void Trim(Vector3Df v, float size) {
            if (v.LengthSQ > (size*size)) {
                v.Normalize();
                v.X *= size;
                v.Y *= size;
                v.Z *= size;
            }
        }
 
 
        // creates a normalized unit vector
        internal static Vector3Df Unit(Vector3Df v) {
            Vector3Df vt = new Vector3Df(v);
            vt.Normalize();
            return vt;
        }
 
 
        // create a triple of orthogonal vectors where each vector is a right angles to the other two.
        // order of the cross product is critical as this is a left hand coordinate system
        internal static void OrthonormalBasis(Vector3Df v1, Vector3Df v2, Vector3Df v3) {
            v1.Normalize();
            v3 = v2.CrossProduct(v1);
            if (v3.LengthSQ == 0f) return;
            v3.Normalize();
            v2 = v1.CrossProduct(v3);
        }
 
 
 
    }
 
 
}
 

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tQ3EntityList
tQ3EntityList.binary_search()
IEntity
AnimatedMesh.GetEntityList()
AnimatedMesh.GetBrushEntityMesh()
//I might be forgetting a few classes or functions