void ofEasyCam::mousePressed(ofMouseEventArgs & mouse){
ofRectangle viewport = getViewport(this->viewport);
if(viewport.inside(mouse.x, mouse.y)){
lastMouse = mouse;
prevMouse = mouse;
prevAxisX = getXAxis();
prevAxisY = getYAxis();
prevAxisZ = getZAxis();
prevPosition = ofCamera::getGlobalPosition();
prevOrientation = ofCamera::getGlobalOrientation();
if ((bEnableMouseMiddleButton && mouse.button == OF_MOUSE_BUTTON_MIDDLE) || events->getKeyPressed(doTranslationKey) || mouse.button == OF_MOUSE_BUTTON_RIGHT){
bDoTranslate = true;
bDoRotate = false;
}else if (mouse.button == OF_MOUSE_BUTTON_LEFT) {
bDoTranslate = false;
bDoRotate = true;
if(ofVec2f(mouse.x - viewport.x - (viewport.width/2), mouse.y - viewport.y - (viewport.height/2)).length() < min(viewport.width/2, viewport.height/2)){
bInsideArcball = true;
}else {
bInsideArcball = false;
}
}
bApplyInertia = false;
}
}
void ofEasyCam::mouseScrolled(ofMouseEventArgs & mouse){
ofRectangle viewport = getViewport(this->viewport);
prevPosition = ofCamera::getGlobalPosition();
prevAxisZ = getZAxis();
moveZ = mouse.y * 30 * sensitivityZ * (getDistance() + FLT_EPSILON)/ viewport.height;
bDoScrollZoom = true;
}
//----------------------------------------
void ofEasyCam::mousePressed(ofMouseEventArgs & mouse){
ofRectangle area = getControlArea();
if(area.inside(mouse.x, mouse.y)){
lastMouse = mouse;
prevMouse = mouse;
prevAxisX = getXAxis();
prevAxisY = getYAxis();
prevAxisZ = getZAxis();
prevPosition = ofCamera::getGlobalPosition();
prevOrientation = ofCamera::getGlobalOrientation();
if((bEnableMouseMiddleButton && mouse.button == OF_MOUSE_BUTTON_MIDDLE) || events->getKeyPressed(doTranslationKey) || mouse.button == OF_MOUSE_BUTTON_RIGHT){
bDoTranslate = true;
bDoRotate = false;
}else if(mouse.button == OF_MOUSE_BUTTON_LEFT){
bDoTranslate = false;
bDoRotate = true;
if(glm::length(glm::vec2(mouse.x - area.x - (area.width/2), mouse.y - area.y - (area.height/2))) < std::min(area.width/2, area.height/2)){
bInsideArcball = true;
}else{
bInsideArcball = false;
}
}
bApplyInertia = false;
}
}
//----------------------------------------
void ofEasyCamExt::setDistance(float distance, bool save){//should this be the distance from the camera to the target?
if (distance > 0.0f){
if(save){
this->lastDistance = distance;
}
setPosition(target.getPosition() + (distance * getZAxis()));
bDistanceSet = true;
}
}
//----------------------------------------
void ofEasyCam::mouseScrolled(ofMouseEventArgs & mouse){
if (doInertia) {
bApplyInertia = true;
}
ofRectangle area = getControlArea();
prevPosition = ofCamera::getGlobalPosition();
prevAxisZ = getZAxis();
moveZ = mouse.scrollY * 30 * sensitivityZ * (getDistance() + FLT_EPSILON)/ area.height;
bDoScrollZoom = true;
bIsBeingScrolled = true;
}
//----------------------------------------
void ofEasyCam::updateTranslation(){
if (bApplyInertia) {
moveX *= drag;
moveY *= drag;
moveZ *= drag;
if (ABS(moveX) <= minDifference && ABS(moveY) <= minDifference && ABS(moveZ) <= minDifference) {
bApplyInertia = false;
bDoTranslate = false;
}
}
move((getXAxis() * moveX) + (getYAxis() * moveY) + (getZAxis() * moveZ));
}
//----------------------------------------
void ofEasyCam::updateTranslation(){
if (bApplyInertia) {
moveX *= drag;
moveY *= drag;
moveZ *= drag;
if (ABS(moveX) <= minDifference && ABS(moveY) <= minDifference && ABS(moveZ) <= minDifference) {
bApplyInertia = false;
bDoTranslate = false;
}
move((getXAxis() * moveX) + (getYAxis() * moveY) + (getZAxis() * moveZ));
}else{
setPosition(prevPosition + ofVec3f(prevAxisX * moveX) + (prevAxisY * moveY) + (prevAxisZ * moveZ));
}
}
//----------------------------------------
void ofEasyCam::updateRotation(){
if (bApplyInertia) {
xRot *=drag;
yRot *=drag;
zRot *=drag;
if (ABS(xRot) <= minDifference && ABS(yRot) <= minDifference && ABS(zRot) <= minDifference) {
bApplyInertia = false;
bDoRotate = false;
}
curRot = ofQuaternion(xRot, getXAxis(), yRot, getYAxis(), zRot, getZAxis());
setPosition((getGlobalPosition()-target.getGlobalPosition())*curRot +target.getGlobalPosition());
rotate(curRot);
}else{
curRot = ofQuaternion(xRot, prevAxisX, yRot, prevAxisY, zRot, prevAxisZ);
setPosition((prevPosition-target.getGlobalPosition())*curRot +target.getGlobalPosition());
setOrientation(prevOrientation * curRot);
}
}
//----------------------------------------
void ofEasyCam::updateRotation(){
if(bApplyInertia){
xRot *=drag;
yRot *=drag;
zRot *=drag;
if(ABS(xRot) <= minDifference && ABS(yRot) <= minDifference && ABS(zRot) <= minDifference){
xRot = 0;
yRot = 0;
zRot = 0;
bApplyInertia = false;
bDoRotate = false;
}
curRot = glm::angleAxis(zRot, getZAxis()) * glm::angleAxis(yRot, up()) * glm::angleAxis(xRot, getXAxis());
setPosition(curRot * (getGlobalPosition()-target.getGlobalPosition()) + target.getGlobalPosition());
rotate(curRot);
}else if(bDoRotate){
curRot = glm::angleAxis(zRot, prevAxisZ) * glm::angleAxis(yRot, up()) * glm::angleAxis(xRot, prevAxisX);
setPosition(curRot * (prevPosition-target.getGlobalPosition()) + target.getGlobalPosition());
setOrientation(curRot * prevOrientation);
}
}
//----------------------------------------
void ofEasyCam::updateTranslation(){
if(bApplyInertia){
moveX *= drag;
moveY *= drag;
moveZ *= drag;
if(ABS(moveZ) >= minDifference){
bIsBeingScrolled = true;
} else {
bIsBeingScrolled = false;
}
if(ABS(moveX) <= minDifference && ABS(moveY) <= minDifference && ABS(moveZ) <= minDifference){
bApplyInertia = false;
bDoTranslate = false;
}
move((getXAxis() * moveX) + (getYAxis() * moveY) + (getZAxis() * moveZ));
}else if(bDoTranslate || bIsBeingScrolled){
setPosition(prevPosition + glm::vec3(prevAxisX * moveX) + (prevAxisY * moveY) + (prevAxisZ * moveZ));
bIsBeingScrolled = false;
}
}
int main(void) {
wdt_enable(WDTO_1S);
//odDebugInit();
//DBG1(0x00, 0, 0); /* debug output: main starts */
mouseInit();
usbInit();
usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */
uchar i = 0;
while(--i){ /* fake USB disconnect for > 250 ms */
wdt_reset();
_delay_ms(1);
}
usbDeviceConnect();
sei();
//DBG1(0x01, 0, 0); /* debug output: main loop starts */
for(;;){ /* main event loop */
//DBG1(0x02, 0, 0); /* debug output: main loop iterates */
wdt_reset();
usbPoll();
reportBuffer[0]=getXAxis();
reportBuffer[1]=getYAxis();
reportBuffer[2]=getZAxis();
if(usbInterruptIsReady()){
// called after every poll of the interrupt endpoint
//DBG1(0x03, 0, 0); // debug output: interrupt report prepared
usbSetInterrupt((void *)&reportBuffer, sizeof(reportBuffer));
}
}
}
void ofxGameCamera::updateRotation(){
if(!applyRotation) return;
// cout << "update rotation!" << endl;
if(dampen){
rotationX += (targetXRot - rotationX) *.2;
rotationY += (targetYRot - rotationY) *.2;
rotationZ += (targetZRot - rotationZ) *.2;
}
else{
rotationX = targetXRot;
rotationY = targetYRot;
rotationZ = targetZRot;
}
setOrientation(ofQuaternion(0,0,0,1)); //reset
setOrientation(getOrientationQuat() * ofQuaternion(-rotationZ, getZAxis()));
setOrientation(getOrientationQuat() * ofQuaternion(-rotationX, getYAxis()));
setOrientation(getOrientationQuat() * ofQuaternion(-rotationY, getXAxis()));
targetNode.setOrientation(getOrientationQuat());
}
//----------------------------------------
glm::vec3 ofNode::getLookAtDir() const {
return -getZAxis();
}
//----------------------------------------
void ofNode::rollRad(float radians) {
rotateRad(radians, getZAxis());
}
//----------------------------------------
void ofNode::rollDeg(float degrees) {
rotateDeg(degrees, getZAxis());
}
//----------------------------------------
void ofNode::dolly(float amount) {
move(getZAxis() * amount);
}
//----------------------------------------
ofVec3f ofNode::getLookAtDir() const {
return -getZAxis();
}
void ParaxialTexCoordSystem::doTransform(const Plane3& oldBoundary, const Mat4x4& transformation, BrushFaceAttributes& attribs, bool lockTexture, const Vec3& oldInvariant) {
const Vec3 offset = transformation * Vec3::Null;
const Vec3& oldNormal = oldBoundary.normal;
Vec3 newNormal = transformation * oldNormal - offset;
assert(Math::eq(newNormal.length(), 1.0));
// fix some rounding errors - if the old and new texture axes are almost the same, use the old axis
if (newNormal.equals(oldNormal, 0.01))
newNormal = oldNormal;
if (!lockTexture || attribs.xScale() == 0.0f || attribs.yScale() == 0.0f) {
setRotation(newNormal, attribs.rotation(), attribs.rotation());
return;
}
// calculate the current texture coordinates of the origin
const Vec2f oldInvariantTexCoords = computeTexCoords(oldInvariant, attribs.scale()) + attribs.offset();
// project the texture axes onto the boundary plane along the texture Z axis
const Vec3 boundaryOffset = oldBoundary.project(Vec3::Null, getZAxis());
const Vec3 oldXAxisOnBoundary = oldBoundary.project(m_xAxis * attribs.xScale(), getZAxis()) - boundaryOffset;
const Vec3 oldYAxisOnBoundary = oldBoundary.project(m_yAxis * attribs.yScale(), getZAxis()) - boundaryOffset;
// transform the projected texture axes and compensate the translational component
const Vec3 transformedXAxis = transformation * oldXAxisOnBoundary - offset;
const Vec3 transformedYAxis = transformation * oldYAxisOnBoundary - offset;
const Vec2f textureSize = attribs.textureSize();
const bool preferX = textureSize.x() >= textureSize.y();
/*
const FloatType dotX = transformedXAxis.normalized().dot(oldXAxisOnBoundary.normalized());
const FloatType dotY = transformedYAxis.normalized().dot(oldYAxisOnBoundary.normalized());
const bool preferX = Math::abs(dotX) < Math::abs(dotY);
*/
// obtain the new texture plane norm and the new base texture axes
Vec3 newBaseXAxis, newBaseYAxis, newProjectionAxis;
const size_t newIndex = planeNormalIndex(newNormal);
axes(newIndex, newBaseXAxis, newBaseYAxis, newProjectionAxis);
const Plane3 newTexturePlane(0.0, newProjectionAxis);
// project the transformed texture axes onto the new texture projection plane
const Vec3 projectedTransformedXAxis = newTexturePlane.project(transformedXAxis);
const Vec3 projectedTransformedYAxis = newTexturePlane.project(transformedYAxis);
assert(!projectedTransformedXAxis.nan() &&
!projectedTransformedYAxis.nan());
const Vec3 normalizedXAxis = projectedTransformedXAxis.normalized();
const Vec3 normalizedYAxis = projectedTransformedYAxis.normalized();
// determine the rotation angle from the dot product of the new base axes and the transformed, projected and normalized texture axes
float cosX = static_cast<float>(newBaseXAxis.dot(normalizedXAxis.normalized()));
float cosY = static_cast<float>(newBaseYAxis.dot(normalizedYAxis.normalized()));
assert(!Math::isnan(cosX));
assert(!Math::isnan(cosY));
float radX = std::acos(cosX);
if (crossed(newBaseXAxis, normalizedXAxis).dot(newProjectionAxis) < 0.0)
radX *= -1.0f;
float radY = std::acos(cosY);
if (crossed(newBaseYAxis, normalizedYAxis).dot(newProjectionAxis) < 0.0)
radY *= -1.0f;
// TODO: be smarter about choosing between the X and Y axis rotations - sometimes either
// one can be better
float rad = preferX ? radX : radY;
// for some reason, when the texture plane normal is the Y axis, we must rotation clockwise
if (newIndex == 4)
rad *= -1.0f;
const float newRotation = Math::correct(Math::normalizeDegrees(Math::degrees(rad)), 4);
doSetRotation(newNormal, newRotation, newRotation);
// finally compute the scaling factors
Vec2f newScale = Vec2f(projectedTransformedXAxis.length(),
projectedTransformedYAxis.length()).corrected(4);
// the sign of the scaling factors depends on the angle between the new texture axis and the projected transformed axis
if (m_xAxis.dot(normalizedXAxis) < 0.0)
newScale[0] *= -1.0f;
if (m_yAxis.dot(normalizedYAxis) < 0.0)
newScale[1] *= -1.0f;
// compute the parameters of the transformed texture coordinate system
const Vec3 newInvariant = transformation * oldInvariant;
// determine the new texture coordinates of the transformed center of the face, sans offsets
const Vec2f newInvariantTexCoords = computeTexCoords(newInvariant, newScale);
// since the center should be invariant, the offsets are determined by the difference of the current and
// the original texture coordiknates of the center
const Vec2f newOffset = attribs.modOffset(oldInvariantTexCoords - newInvariantTexCoords).corrected(4);
assert(!newOffset.nan());
assert(!newScale.nan());
assert(!Math::isnan(newRotation));
assert(!Math::zero(newScale.x()));
assert(!Math::zero(newScale.y()));
attribs.setOffset(newOffset);
attribs.setScale(newScale);
attribs.setRotation(newRotation);
}
//----------------------------------------
void ofEasyCamExt::updateTranslation()
{
move((getXAxis() * moveX) + (getYAxis() * moveY) + (getZAxis() * moveZ));
}
//----------------------------------------
void ofEasyCamExt::update(ofEventArgs & args)
{
if( isDoingMove )
{
float tmpFraction = ofMap( ofGetElapsedTimef(),
moveStartEndTimeParameters.getMin(), moveStartEndTimeParameters.getMax(),
0.0f, 1.0f );
if( tmpFraction >= 1.0f )
{
isDoingMove = false;
}
tmpFraction = ofClamp( tmpFraction, 0.0f, 1.0f );
tmpFraction = EasingEquations::ease( tmpFraction, easeType );
ofVec3f newPos = positionEaseParameters.getMin().interpolate( positionEaseParameters.getMax(), tmpFraction );
//ofVec3f newLookAtDir = lookAtEaseParameters.getMin().interpolate( lookAtEaseParameters.getMax(), tmpFraction );
ofQuaternion newOrientation;
newOrientation.slerp( tmpFraction, orientationEaseStart, orientationEaseEnd );
//resetTransform();
setPosition(newPos);
//target.resetTransform();
//target.setPosition(newLookAtDir);
//lookAt(target, getUpDir() );
setOrientation( newOrientation );
moveX = 0;
moveY = 0;
moveZ = 0;
}
else
{
if(!bDistanceSet && bAutoDistance)
{
setDistance(getImagePlaneDistance(viewport), true);
}
if(bMouseInputEnabled)
{
rotationFactor = sensitivityRot * 180 / min(viewport.width, viewport.height);
if (bMouseInputEnabled)
{
updateMouse();
}
if (bDoRotate)
{
updateRotation();
}
else if (bDoTranslate)
{
updateTranslation();
}
}
if( dollyForwardKey != 0 )
{
if( ofGetKeyPressed(dollyForwardKey) ) { dollyImpulse( -dollyImpulseAmount ); }
}
if( dollyBackwardKey != 0 )
{
if( ofGetKeyPressed(dollyBackwardKey) ) { dollyImpulse( dollyImpulseAmount ); }
}
// if (bApplyInertia) {
moveX *= drag;
moveY *= drag;
moveZ *= drag;
if (ABS(moveX) <= minDifference && ABS(moveY) <= minDifference && ABS(moveZ) <= minDifference) {
//bApplyInertia = false;
bDoTranslate = false;
}
// }
move((getXAxis() * moveX) + (getYAxis() * moveY) + (getZAxis() * moveZ));
}
}
void ofEasyFingerCam::updateRotation()
{
rotationX += (targetXRot - rotationX) *.1;
rotationY += (targetYRot - rotationY) *.1;
rotationZ += (targetZRot - rotationZ) *.1;
target.setOrientation(ofQuaternion(0,0,0,1)); //reset
ofQuaternion p = ((getOrientationQuat() * ofQuaternion(-rotationY, getXAxis())) * ofQuaternion(-rotationX, getYAxis())) * ofQuaternion(-rotationZ, getZAxis());
target.setOrientation(p);
}
