//! returns true if the button is touched
bool Button::IsTouched() const
{
Matrix44 transformation = Matrix44::Identity;
transformation.Translate(-Vector3::Create(m_vCenter.X, m_vCenter.Y, 0.0f));
transformation.Scale(Vector3::Create(m_vScale.X, m_vScale.Y, 1.0f));
transformation.Rotate(Vector3::Create(0.0f, 0.0f, m_fRotation*Math::DegToRadFactor));
transformation.Translate(Vector3::Create(m_vOriginalPosition.X, m_vOriginalPosition.Y, 0.0f));
if(Entity2D* p2DEntity = GetAncestor<Entity2D>())
{
transformation *= p2DEntity->GetTransformationMatrix();
}
Matrix44 inverse;
if(transformation.GetInverse(inverse))
{
Vector2 vTouchPos = InputManager::Instance()->GetTouchState().vPosition;
Vector3 invTouchPos3D = inverse.TransformVect(Vector3::Create(vTouchPos.X, vTouchPos.Y, 0.0f));
Vector2 vInvTouchPos(invTouchPos3D.X, invTouchPos3D.Y);
return GetBoundingBox().Contains(vInvTouchPos);
}
return false;
}
/** TODO: avoid recalculating when nothing changed */
Matrix44 Entity2D::GetCenterTransformationMatrix()
{
Matrix44 matrix = Matrix44::Identity;
matrix.Scale(Vector3::Create(m_vScale.X, m_vScale.Y, 1.0f));
matrix.Rotate(Vector3::Create(0.0f, 0.0f, m_fRotation*Math::DegToRadFactor));
matrix.Translate(Vector3::Create(m_vPosition.X, m_vPosition.Y, 0.0f));
// TODO: use type checking at initialization time in AddChild() and only use static_cast here
if(Entity2D* pEntity2D = GetAncestor<Entity2D>())
{
matrix *= pEntity2D->GetTransformationMatrix();
}
return matrix;
}
int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_MY2DTRANSFORM, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// vertices1
// (-50,-50) ----------------- (+50, -50)
// | |
// | + |
// | |
// (-50,+50) ----------------- (+50, +50)
const float w = 50.f;
g_vertices1.push_back( Vector3(-w,-w,1) );
g_vertices1.push_back( Vector3(w,-w,1) );
g_vertices1.push_back( Vector3(w,w,1) );
g_vertices1.push_back( Vector3(-w,w,1) );
g_vertices1.push_back( Vector3(-w,-w,1) );
// vertices2
// +(0,0) ----------------- (+100, 0)
// | |
// | |
// | |
// (0,+100) ------------- (+1-0, +100)
const float w2 = 100.f;
g_vertices2.push_back( Vector3(0,0,1) );
g_vertices2.push_back( Vector3(w2,0,1) );
g_vertices2.push_back( Vector3(w2,w2,1) );
g_vertices2.push_back( Vector3(0,w2,1) );
g_vertices2.push_back( Vector3(0,0,1) );
g_matWorld1.SetIdentity();
g_matWorld1.Translate(Vector3(150,200,0));
g_matLocal1.SetIdentity();
g_matWorld2.SetIdentity();
g_matWorld2.Translate(Vector3(400,200,0));
g_matLocal2.SetIdentity();
g_matWorld3.SetIdentity();
g_matWorld3.Translate(Vector3(600,200,0));
g_matLocal3.SetIdentity();
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
MSG msg;
HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_MY2DTRANSFORM));
int oldT = GetTickCount();
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
const int curT = GetTickCount();
const int elapseT = min(curT - oldT, 100);
oldT = curT;
MainLoop(elapseT);
}
return (int) msg.wParam;
}
int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_SOFTWARERENDERER, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Y Z
// | /
// | /
// -----------------------> X
const float axisLineLength = 300.f;
g_axises.reserve(8);
g_axises.push_back( Vector3(0,0,0) );
g_axises.push_back( Vector3(axisLineLength,0,0) ); // x-axis
g_axises.push_back( Vector3(0,0,0) );
g_axises.push_back( Vector3(0,axisLineLength,0) ); // y-axis
g_axises.push_back( Vector3(0,0,0) );
g_axises.push_back( Vector3(0,0,axisLineLength) ); // z-axis
// vertices1
// (-50,+50, +50) ----------------- (+50, +50, +50)
// | |
// | + |
// | |
// (-50,+50, -50) ----------------- (+50, +50, -50)
//
// (-50,-50, +50) ----------------- (+50, -50, +50)
// | |
// | + |
// | |
// (-50,-50, -50) ----------------- (+50, -50, -50)
const float w = 30.f;
g_vertices.reserve(128);
g_vertices.push_back( Vector3(-w,w,w) );
g_vertices.push_back( Vector3(w,w,w) );
g_vertices.push_back( Vector3(w,w,-w) );
g_vertices.push_back( Vector3(-w,w,-w) );
g_vertices.push_back( Vector3(-w,-w,w) );
g_vertices.push_back( Vector3(w,-w,w) );
g_vertices.push_back( Vector3(w,-w,-w) );
g_vertices.push_back( Vector3(-w,-w,-w) );
g_indices.reserve(128);
// top
g_indices.push_back(0);
g_indices.push_back(2);
g_indices.push_back(3);
g_indices.push_back(0);
g_indices.push_back(1);
g_indices.push_back(2);
// front
g_indices.push_back(3);
g_indices.push_back(2);
g_indices.push_back(7);
g_indices.push_back(2);
g_indices.push_back(6);
g_indices.push_back(7);
// back
g_indices.push_back(1);
g_indices.push_back(4);
g_indices.push_back(5);
g_indices.push_back(1);
g_indices.push_back(0);
g_indices.push_back(4);
// left
g_indices.push_back(3);
g_indices.push_back(4);
g_indices.push_back(0);
g_indices.push_back(7);
g_indices.push_back(4);
g_indices.push_back(3);
// right
g_indices.push_back(2);
g_indices.push_back(5);
g_indices.push_back(6);
g_indices.push_back(2);
g_indices.push_back(1);
g_indices.push_back(5);
// bottom
g_indices.push_back(4);
g_indices.push_back(7);
g_indices.push_back(6);
g_indices.push_back(4);
g_indices.push_back(6);
g_indices.push_back(5);
g_matWorld.SetIdentity();
g_matWorld.Translate(Vector3(0,0,0));
g_matLocal.SetIdentity();
g_matView.SetIdentity();
Vector3 dir = g_cameraLookat - g_cameraPos;
dir.Normalize();
g_matView.SetView(g_cameraPos, dir, Vector3(0,1,0));
g_matProjection.SetProjection( MATH_PI / 4.f, 1.0f, 1.0f, 100.0f );
const float width = 800.f;
const float height = 600.f;
g_matViewPort.SetIdentity();
g_matViewPort._11 = width/2;
g_matViewPort._22 = -height/2;
g_matViewPort._33 = 0;
g_matViewPort._41 = width/2;
g_matViewPort._42 = height/2;
g_matViewPort._43 = 0;
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
MSG msg;
HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_SOFTWARERENDERER));
int oldT = GetTickCount();
while (1)
{
if (PeekMessageA(&msg, NULL, 0, 0, PM_REMOVE))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if(msg.message == WM_QUIT)
break;
}
const int curT = GetTickCount();
const int elapseT = curT - oldT;
if (elapseT > 15)
{
oldT = curT;
MainLoop(elapseT);
}
}
return (int) msg.wParam;
}
