void paint (Graphics& g) override
{
// (Our component is opaque, so we must completely fill the background with a solid colour)
g.fillAll (Colours::black);
g.setColour (Colours::white);
const int fishLength = 15;
Path spinePath;
for (int i = 0; i < fishLength; ++i)
{
const float radius = 100 + 10 * std::sin (getFrameCounter() * 0.1f + i * 0.5f);
Point<float> p (getWidth() / 2.0f + 1.5f * radius * std::sin (getFrameCounter() * 0.02f + i * 0.12f),
getHeight() / 2.0f + 1.0f * radius * std::cos (getFrameCounter() * 0.04f + i * 0.12f));
// draw the circles along the fish
g.fillEllipse (p.x - i, p.y - i, 2.0f + 2.0f * i, 2.0f + 2.0f * i);
if (i == 0)
spinePath.startNewSubPath (p); // if this is the first point, start a new path..
else
spinePath.lineTo (p); // ...otherwise add the next point
}
// draw an outline around the path that we have created
g.strokePath (spinePath, PathStrokeType (4.0f));
}
Matrix3D<float> getViewMatrix() const
{
Matrix3D<float> viewMatrix (Vector3D<float> (0.0f, 0.0f, -10.0f));
Matrix3D<float> rotationMatrix
= viewMatrix.rotated (Vector3D<float> (-0.3f, 5.0f * std::sin (getFrameCounter() * 0.01f), 0.0f));
return rotationMatrix * viewMatrix;
}
Matrix3D<float> getViewMatrix() const
{
// The viewMatrix will be used to modify the vertex coordinates in order
// to transform object coordinates as viewed-by-camera (or eye) coordinates.
// Standard x,y,z values are used. Obviously the z value used here will have
// to be in the range near side < z < far side as defined by the frustum used
// in the projection matrix (see getProjectionMatrix() above).
Matrix3D<float> viewMatrix (Vector3D<float> (0.0f, 0.0f, -50.0f));
// The rotation matrix will be applied on each frame.
// The vector passed here contains the Euler angle values for each axis
// The empiric values used as params will create a slight but constant tilting
// on the x-axis, a periodic rotation on the y-axis and no rotation on the
// z-axis.
Matrix3D<float> rotationMatrix
= createRotationMatrix (Vector3D<float> (-0.3f, 5.0f * std::sin (getFrameCounter() * 0.01f), 0.0f));
return rotationMatrix * viewMatrix;
}
void EventsManager::waitForNextFrame() {
_mouseClicked = false;
_mouseReleased = false;
_mouseButtons = 0;
bool mouseClicked = false;
bool mouseReleased = false;
int mouseButtons = 0;
uint32 frameCtr = getFrameCounter();
while (!_vm->shouldQuit() && frameCtr == _frameCounter) {
delay(1);
mouseClicked |= _mouseClicked;
mouseReleased |= _mouseReleased;
mouseButtons |= _mouseButtons;
}
_mouseClicked = mouseClicked;
_mouseReleased = mouseReleased;
_mouseButtons = mouseButtons;
_mouseMoved |= _mouseClicked || _mouseReleased;
}
