public static ovrMatrix4f CreateRotation(float radiansX, float radiansY, float radiansZ)
{
// http://stackoverflow.com/questions/9087563/maximum-native-memory-that-can-be-allocated-to-an-android-app
// Error 3 Cannot initialize object of type 'float*' with a collection initializer X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 248 17 OVRMyCubeWorldNDK
float sinX = math.sinf(radiansX);
float cosX = math.cosf(radiansX);
// Error 3 Cannot take the address of, get the size of, or declare a pointer to a managed type ('float[*,*]') X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 292 61 OVRMyCubeWorldNDK
// we will leak a lot of heap...
// not the heap. the stack thankyou. almost playing GC?
// since we are not returning this array, it should live on stack. this way we wont leak memory as we are running without GC..
float[] rotationX =
{
1, 0, 0, 0,
0, cosX, -sinX, 0,
0, sinX, cosX, 0,
0, 0, 0, 1
};
float sinY = math.sinf(radiansY);
float cosY = math.cosf(radiansY);
float[] rotationY =
{
cosY, 0, sinY, 0,
0, 1, 0, 0,
-sinY, 0, cosY, 0,
0, 0, 0, 1
};
float sinZ = math.sinf(radiansZ);
float cosZ = math.cosf(radiansZ);
float[] rotationZ =
{
cosZ, -sinZ, 0, 0,
sinZ, cosZ, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
};
__ovrMatrix4f x = rotationX;
__ovrMatrix4f y = rotationY;
__ovrMatrix4f z = rotationZ;
//ovrMatrix4f o;
ovrMatrix4f rotationXY = __ovrMatrix4f.Multiply(y, x);
ovrMatrix4f rotationXYZ = __ovrMatrix4f.Multiply(z, &rotationXY);
// copy it back..
return(rotationXYZ);
}
public static ovrMatrix4f Transpose(__ovrMatrix4f a)
{
ovrMatrix4f _o;
__ovrMatrix4f o = &_o;
o.M[0, 0] = a.M[0, 0]; o.M[0, 1] = a.M[1, 0]; o.M[0, 2] = a.M[2, 0]; o.M[0, 3] = a.M[3, 0];
o.M[1, 0] = a.M[0, 1]; o.M[1, 1] = a.M[1, 1]; o.M[1, 2] = a.M[2, 1]; o.M[1, 3] = a.M[3, 1];
o.M[2, 0] = a.M[0, 2]; o.M[2, 1] = a.M[1, 2]; o.M[2, 2] = a.M[2, 2]; o.M[2, 3] = a.M[3, 2];
o.M[3, 0] = a.M[0, 3]; o.M[3, 1] = a.M[1, 3]; o.M[3, 2] = a.M[2, 3]; o.M[3, 3] = a.M[3, 3];
return(_o);
}
public static ovrMatrix4f CreateTranslation(float x, float y, float z, float scale = 1.0f)
{
ovrMatrix4f _o;
__ovrMatrix4f o = &_o;
o.M[0, 0] = scale; o.M[0, 1] = 0.0f; o.M[0, 2] = 0.0f; o.M[0, 3] = x;
o.M[1, 0] = 0.0f; o.M[1, 1] = scale; o.M[1, 2] = 0.0f; o.M[1, 3] = y;
o.M[2, 0] = 0.0f; o.M[2, 1] = 0.0f; o.M[2, 2] = scale; o.M[2, 3] = z;
o.M[3, 0] = 0.0f; o.M[3, 1] = 0.0f; o.M[3, 2] = 0.0f; o.M[3, 3] = 1.0f;
return(_o);
}
public static ovrMatrix4f Multiply(__ovrMatrix4f a, __ovrMatrix4f b)
{
// perhaps the compiler could decide to optimize and move to a byref pointer version?
// memory dereference magic
// yet, in glsl we wont have pointers, all we will have is copy struct?
// http://www.gamedev.net/topic/347232-glsl-pointers/
// Error 3 A pointer must be indexed by only one value X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 93 98 OVRMyCubeWorldNDK
//Error 5 The type of a local declared in a fixed statement must be a pointer type X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 92 20 OVRMyCubeWorldNDK
ovrMatrix4f _o;
__ovrMatrix4f o = &_o;
//__ovrMatrix4f a = &_a;
//__ovrMatrix4f b = &_b;
{
o.M[0, 0] = a.M[0, 0] * b.M[0, 0] + a.M[0, 1] * b.M[1, 0] + a.M[0, 2] * b.M[2, 0] + a.M[0, 3] * b.M[3, 0];
o.M[1, 0] = a.M[1, 0] * b.M[0, 0] + a.M[1, 1] * b.M[1, 0] + a.M[1, 2] * b.M[2, 0] + a.M[1, 3] * b.M[3, 0];
o.M[2, 0] = a.M[2, 0] * b.M[0, 0] + a.M[2, 1] * b.M[1, 0] + a.M[2, 2] * b.M[2, 0] + a.M[2, 3] * b.M[3, 0];
o.M[3, 0] = a.M[3, 0] * b.M[0, 0] + a.M[3, 1] * b.M[1, 0] + a.M[3, 2] * b.M[2, 0] + a.M[3, 3] * b.M[3, 0];
o.M[0, 1] = a.M[0, 0] * b.M[0, 1] + a.M[0, 1] * b.M[1, 1] + a.M[0, 2] * b.M[2, 1] + a.M[0, 3] * b.M[3, 1];
o.M[1, 1] = a.M[1, 0] * b.M[0, 1] + a.M[1, 1] * b.M[1, 1] + a.M[1, 2] * b.M[2, 1] + a.M[1, 3] * b.M[3, 1];
o.M[2, 1] = a.M[2, 0] * b.M[0, 1] + a.M[2, 1] * b.M[1, 1] + a.M[2, 2] * b.M[2, 1] + a.M[2, 3] * b.M[3, 1];
o.M[3, 1] = a.M[3, 0] * b.M[0, 1] + a.M[3, 1] * b.M[1, 1] + a.M[3, 2] * b.M[2, 1] + a.M[3, 3] * b.M[3, 1];
o.M[0, 2] = a.M[0, 0] * b.M[0, 2] + a.M[0, 1] * b.M[1, 2] + a.M[0, 2] * b.M[2, 2] + a.M[0, 3] * b.M[3, 2];
o.M[1, 2] = a.M[1, 0] * b.M[0, 2] + a.M[1, 1] * b.M[1, 2] + a.M[1, 2] * b.M[2, 2] + a.M[1, 3] * b.M[3, 2];
o.M[2, 2] = a.M[2, 0] * b.M[0, 2] + a.M[2, 1] * b.M[1, 2] + a.M[2, 2] * b.M[2, 2] + a.M[2, 3] * b.M[3, 2];
o.M[3, 2] = a.M[3, 0] * b.M[0, 2] + a.M[3, 1] * b.M[1, 2] + a.M[3, 2] * b.M[2, 2] + a.M[3, 3] * b.M[3, 2];
o.M[0, 3] = a.M[0, 0] * b.M[0, 3] + a.M[0, 1] * b.M[1, 3] + a.M[0, 2] * b.M[2, 3] + a.M[0, 3] * b.M[3, 3];
o.M[1, 3] = a.M[1, 0] * b.M[0, 3] + a.M[1, 1] * b.M[1, 3] + a.M[1, 2] * b.M[2, 3] + a.M[1, 3] * b.M[3, 3];
o.M[2, 3] = a.M[2, 0] * b.M[0, 3] + a.M[2, 1] * b.M[1, 3] + a.M[2, 2] * b.M[2, 3] + a.M[2, 3] * b.M[3, 3];
o.M[3, 3] = a.M[3, 0] * b.M[0, 3] + a.M[3, 1] * b.M[1, 3] + a.M[3, 2] * b.M[2, 3] + a.M[3, 3] * b.M[3, 3];
// operating on fixed buffers, yet we want the dimensional array magic.
}
return(_o);
}
public ovrMatrix4f Multiply(__ovrMatrix4f b)
{
return(__ovrMatrix4f.Multiply(this, b));
}
public static ovrMatrix4f Transpose(__ovrMatrix4f a)
{
ovrMatrix4f _o;
__ovrMatrix4f o = &_o;
o.M[0, 0] = a.M[0, 0]; o.M[0, 1] = a.M[1, 0]; o.M[0, 2] = a.M[2, 0]; o.M[0, 3] = a.M[3, 0];
o.M[1, 0] = a.M[0, 1]; o.M[1, 1] = a.M[1, 1]; o.M[1, 2] = a.M[2, 1]; o.M[1, 3] = a.M[3, 1];
o.M[2, 0] = a.M[0, 2]; o.M[2, 1] = a.M[1, 2]; o.M[2, 2] = a.M[2, 2]; o.M[2, 3] = a.M[3, 2];
o.M[3, 0] = a.M[0, 3]; o.M[3, 1] = a.M[1, 3]; o.M[3, 2] = a.M[2, 3]; o.M[3, 3] = a.M[3, 3];
return _o;
}
public static ovrMatrix4f Multiply(__ovrMatrix4f a, __ovrMatrix4f b)
{
// perhaps the compiler could decide to optimize and move to a byref pointer version?
// memory dereference magic
// yet, in glsl we wont have pointers, all we will have is copy struct?
// http://www.gamedev.net/topic/347232-glsl-pointers/
// Error 3 A pointer must be indexed by only one value X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 93 98 OVRMyCubeWorldNDK
//Error 5 The type of a local declared in a fixed statement must be a pointer type X:\jsc.svn\examples\java\android\vr\OVRMyCubeWorldNDK\OVRMyCubeWorldNDK\References\VrApi.ovrMatrix4f.cs 92 20 OVRMyCubeWorldNDK
ovrMatrix4f _o;
__ovrMatrix4f o = &_o;
//__ovrMatrix4f a = &_a;
//__ovrMatrix4f b = &_b;
{
o.M[0, 0] = a.M[0, 0] * b.M[0, 0] + a.M[0, 1] * b.M[1, 0] + a.M[0, 2] * b.M[2, 0] + a.M[0, 3] * b.M[3, 0];
o.M[1, 0] = a.M[1, 0] * b.M[0, 0] + a.M[1, 1] * b.M[1, 0] + a.M[1, 2] * b.M[2, 0] + a.M[1, 3] * b.M[3, 0];
o.M[2, 0] = a.M[2, 0] * b.M[0, 0] + a.M[2, 1] * b.M[1, 0] + a.M[2, 2] * b.M[2, 0] + a.M[2, 3] * b.M[3, 0];
o.M[3, 0] = a.M[3, 0] * b.M[0, 0] + a.M[3, 1] * b.M[1, 0] + a.M[3, 2] * b.M[2, 0] + a.M[3, 3] * b.M[3, 0];
o.M[0, 1] = a.M[0, 0] * b.M[0, 1] + a.M[0, 1] * b.M[1, 1] + a.M[0, 2] * b.M[2, 1] + a.M[0, 3] * b.M[3, 1];
o.M[1, 1] = a.M[1, 0] * b.M[0, 1] + a.M[1, 1] * b.M[1, 1] + a.M[1, 2] * b.M[2, 1] + a.M[1, 3] * b.M[3, 1];
o.M[2, 1] = a.M[2, 0] * b.M[0, 1] + a.M[2, 1] * b.M[1, 1] + a.M[2, 2] * b.M[2, 1] + a.M[2, 3] * b.M[3, 1];
o.M[3, 1] = a.M[3, 0] * b.M[0, 1] + a.M[3, 1] * b.M[1, 1] + a.M[3, 2] * b.M[2, 1] + a.M[3, 3] * b.M[3, 1];
o.M[0, 2] = a.M[0, 0] * b.M[0, 2] + a.M[0, 1] * b.M[1, 2] + a.M[0, 2] * b.M[2, 2] + a.M[0, 3] * b.M[3, 2];
o.M[1, 2] = a.M[1, 0] * b.M[0, 2] + a.M[1, 1] * b.M[1, 2] + a.M[1, 2] * b.M[2, 2] + a.M[1, 3] * b.M[3, 2];
o.M[2, 2] = a.M[2, 0] * b.M[0, 2] + a.M[2, 1] * b.M[1, 2] + a.M[2, 2] * b.M[2, 2] + a.M[2, 3] * b.M[3, 2];
o.M[3, 2] = a.M[3, 0] * b.M[0, 2] + a.M[3, 1] * b.M[1, 2] + a.M[3, 2] * b.M[2, 2] + a.M[3, 3] * b.M[3, 2];
o.M[0, 3] = a.M[0, 0] * b.M[0, 3] + a.M[0, 1] * b.M[1, 3] + a.M[0, 2] * b.M[2, 3] + a.M[0, 3] * b.M[3, 3];
o.M[1, 3] = a.M[1, 0] * b.M[0, 3] + a.M[1, 1] * b.M[1, 3] + a.M[1, 2] * b.M[2, 3] + a.M[1, 3] * b.M[3, 3];
o.M[2, 3] = a.M[2, 0] * b.M[0, 3] + a.M[2, 1] * b.M[1, 3] + a.M[2, 2] * b.M[2, 3] + a.M[2, 3] * b.M[3, 3];
o.M[3, 3] = a.M[3, 0] * b.M[0, 3] + a.M[3, 1] * b.M[1, 3] + a.M[3, 2] * b.M[2, 3] + a.M[3, 3] * b.M[3, 3];
// operating on fixed buffers, yet we want the dimensional array magic.
}
return _o;
}
public ovrMatrix4f Multiply(__ovrMatrix4f b)
{
return __ovrMatrix4f.Multiply(this, b);
}
