void clViewport::UpdateTrackball( clVirtualTrackball* Trackball, float Speed, bool Keypressed ) const
{
if ( Keypressed )
{
Trackball->DragTo( LVector2( FMouseCursorInfo.FMouseX, FMouseCursorInfo.FMouseY ), Speed );
}
else
{
Trackball->StartDragging( LVector2( FMouseCursorInfo.FMouseX, FMouseCursorInfo.FMouseY ) );
}
}
LVector2 clViewport::TransformPointerPosition( int X, int Y )
{
float fX = Math::Clamp( X * FScaleFactorX, 0.0f, 1.0f );
float fY = Math::Clamp( Y * FScaleFactorY, 0.0f, 1.0f );
return LVector2( fX, fY );
}
JNIEXPORT void JNICALL Java_com_packtpub_ndkcookbook_game1_Game1Activity_SendMotion( JNIEnv* env, jobject obj, int PointerID, int x, int y, bool Pressed, int Flag )
{
sSendMotionData M;
M.ContactID = PointerID;
M.Flag = ( eMotionFlag )Flag;
M.Pos = LVector2( ( float )x / ( float )g_Width, ( float )y / ( float )g_Height );
M.Pressed = Pressed;
LMutex Lock( &g_MotionEventsQueueMutex );
g_MotionEventsQueue.push_back( M );
}
LRESULT CALLBACK MyFunc( HWND h, UINT msg, WPARAM w, LPARAM p )
{
int x = ( ( int )( short )LOWORD( p ) ), y = ( ( int )( short )HIWORD( p ) );
float Xf = ( float )x / ( float )WindowW;
float Yf = ( float )y / ( float )WindowH;
switch ( msg )
{
case WM_KEYUP:
OnKey( w, false );
if ( w == 27 ) { SendMessage( h, WM_DESTROY, 0, 0 ); }
break;
case WM_KEYDOWN:
OnKey( w, true );
break;
case WM_LBUTTONDOWN:
SetCapture( h );
OnMouseDown( 0, LVector2( Xf, Yf ) );
break;
case WM_MOUSEMOVE:
OnMouseMove( LVector2( Xf, Yf ) );
break;
case WM_LBUTTONUP:
OnMouseUp( 0, LVector2( Xf, Yf ) );
ReleaseCapture();
break;
case WM_DESTROY:
PostQuitMessage( 0 );
break;
}
return DefWindowProc( h, msg, w, p );
}
void clCanvas::Rect3D( const LMatrix4& Proj, const LMatrix4& MV,
const LVector3& V1,
const LVector3& V2,
const LVector3& V3,
const LVector3& V4,
const clPtr<clGLTexture>& Texture,
const clPtr<clGLSLShaderProgram>& SP )
{
LGL3->glDisable( GL_DEPTH_TEST );
Texture->Bind( 0 );
clPtr<clGLSLShaderProgram> S = SP ? SP : FRect3DSP;
S->Bind();
S->SetUniformNameMat4Array( "u_MVP", 1, MV * Proj );
FRect3D->Restart( 6 );
FRect3D->SetTexCoordV( LVector2( 0, 0 ) );
FRect3D->EmitVertexV( V1 );
FRect3D->SetTexCoordV( LVector2( 1, 0 ) );
FRect3D->EmitVertexV( V2 );
FRect3D->SetTexCoordV( LVector2( 0, 1 ) );
FRect3D->EmitVertexV( V4 );
FRect3D->SetTexCoordV( LVector2( 1, 0 ) );
FRect3D->EmitVertexV( V2 );
FRect3D->SetTexCoordV( LVector2( 1, 1 ) );
FRect3D->EmitVertexV( V3 );
FRect3D->SetTexCoordV( LVector2( 0, 1 ) );
FRect3D->EmitVertexV( V4 );
FRect3DVA->SetVertexAttribs( FRect3D );
FRect3DVA->Draw( false );
}
void clGUIColorDial::SetAlpha( const LVector2& Pnt )
{
LVector2 dP = Screen2Local( Pnt );
dP = LVector2( dP.X / GetWidth(), dP.Y / GetHeight() );
float nx = ( dP.X - 0.5f ) * 2.0f;
float ny = ( dP.Y - 0.5f ) * 2.0f;
float r = sqrt( nx * nx + ny * ny );
float r_min = FRMin;
LVector2 p_color = -Math::ToPolar( r_min, FAlpha );
LVector2 p_white = -Math::ToPolar( r_min, FAlpha + 120.0f );
LVector2 p_black = -Math::ToPolar( r_min, FAlpha + 240.0f );
LVector3 Mark = LVector3( FMousePoint.X * p_black + FMousePoint.Y * p_white + FMousePoint.Z * p_color, 1.0f );
DialSP->BindUniforms();
DialSP->SetUniformVec3Array( FMousePtUniform, 1, Mark );
if ( r < FRMax && r > FRMin )
{
FAlpha = 180.0f + Linderdaum::Math::RadToDeg( atan2( ny, nx ) );
DialSP->SetUniformFloat( FAlphaUniform, FAlpha );
}
else
{
LVector3 NewB = Math::Barycentric2D( nx, ny, p_black.X, p_black.Y, p_white.X, p_white.Y, p_color.X, p_color.Y );
if ( NewB.X >= 0 && NewB.X <= 1 && NewB.Y >= 0 && NewB.Y <= 1 && NewB.Z >= 0 && NewB.Z <= 1 )
{
FMousePoint = NewB;
}
}
LVector3 CC = FMousePoint.X * LC_Black.ToVector3() + FMousePoint.Y * LC_White.ToVector3() + FMousePoint.Z * Math::ColorFromAngle( FAlpha );
Env->Console->GetVar( FOutVarName )->SetVector4( LVector4( CC, 1.0f ) );
}
JNIEXPORT void JNICALL Java_com_packtpub_ndkcookbook_app13_App13Activity_SendMotion( JNIEnv* env, jobject obj, int PointerID, int x, int y, bool Pressed, int Flag )
{
LVector2 Pos = LVector2( ( float )x / ( float )g_Width, ( float )y / ( float )g_Height );
GestureHandler_SendMotion( PointerID, ( eMotionFlag )Flag, Pos, Pressed );
}
LVector2 clViewport::GetMousePosition() const
{
return LVector2( FMouseCursorInfo.FMouseX, FMouseCursorInfo.FMouseY );
}
LVector2 clViewport::MousePositionIntToFloat( int X, int Y ) const
{
return LVector2( X * FScaleFactorX, Y * FScaleFactorY );
}
#if defined( ANDROID ) # include "Wrapper_Android.h" #else # include "Wrapper_Windows.h" #endif iGestureResponder* g_Responder; void UpdateGesture(); sMotionData FMotionData; RingBuffer<sMotionData> FPrevMotionData( 5 ); bool FMotionDataValid = false; bool FMoving = false; sTouchPoint FInitialPoint( 0, LVector2(), L_MOTION_MOVE, 0.0 ); /// get the position of the current touch point in the current gesture, that means the current position of the last point touched sTouchPoint FCurrentPoint( 0, LVector2(), L_MOTION_MOVE, 0.0 ); #pragma region Fling /// pointer movements below this value are ignored float FlingThresholdSensitivity = 0.1f; /// pointer movements below this value will not generate a fling float FlingStartSensitivity = 0.2f; bool FFlingWasValid = false; #pragma endregion #pragma region Pinch-zoom bool FPinchZoomValid = false; bool FPinchZoomWasValid = false;