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[DEV] try to set ray work

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This commit is contained in:
Edouard DUPIN 2014-11-26 15:06:43 +01:00
parent e83fc80da3
commit 75b31da54f
2 changed files with 37 additions and 11 deletions
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24
ege/camera/View.cpp
View File

@ -27,11 +27,11 @@ void ege::camera::View::update() {
float tetha = std::asin(pos.y());
if (pos.x() < 0) {
tetha *= -1;
tetha += M_PI;
tetha -= M_PI;
}
m_matrix.translate(vec3(0,0,-distance));
m_matrix.rotate(vec3(1,0,0), -M_PI*0.5f + psy);
m_matrix.rotate(vec3(0,0,1), tetha);
m_matrix.rotate(vec3(0,0,1), -tetha-M_PI/2.0f);
m_matrix.translate(-m_target);
EGE_DEBUG("Camera properties : distance=" << distance );
@ -63,16 +63,30 @@ void ege::camera::View::setAngle(float _angle) {
}
vec3 ege::camera::View::getViewVector() const {
return m_eye-m_target;
return m_target - m_eye;
}
ege::Ray ege::camera::View::getRayFromScreen(const vec2& _offset) {
vec3 direction = getViewVector();
vec2 cameraAngleOffset(m_angleView/2*_offset.x(), 2*_offset.y()*m_aspectRatio/m_angleView);
#if 0
mat4 inverse = m_matrix.invert();
vec3 screenOffset(0,0,-1);
screenOffset.rotate(vec3(1,0,0), cameraAngleOffset.x());
screenOffset.rotate(vec3(0,1,0), cameraAngleOffset.y());
vec3 direction = inverse*screenOffset;
#else
vec3 direction = getViewVector();
//mat4 transformation;
//transformation.indentity();
//transformation.rotate(vec3(1,0,0), cameraAngleOffset.x());
direction.rotate(vec3(1,0,0), cameraAngleOffset.x());
direction.rotate(vec3(0,1,0), cameraAngleOffset.y());
#endif
direction.safeNormalize();
ege::Ray out(m_eye, direction);
EGE_WARNING("request ray from : " << _offset);
EGE_WARNING(" camera offset = " << vec2(m_angleView/2*_offset.x(), 2*_offset.y()*m_aspectRatio/m_angleView));
EGE_WARNING(" camera offset = " << cameraAngleOffset);
EGE_WARNING("return ray : " << out);
// TODO : Use offset...

24
sample/RayTest/appl/Windows.cpp
View File

@ -72,6 +72,7 @@ void appl::Windows::init() {
m_env = ege::Environement::create();
// Create basic Camera
m_camera = std::make_shared<ege::camera::View>(vec3(30,30,-100), vec3(0,0,0));
m_camera->setEye(vec3(100*std::sin(0),100*std::cos(0),40*std::cos(0)));
m_env->addCamera("basic", m_camera);
std::shared_ptr<ege::widget::Scene> tmpWidget = ege::widget::Scene::create(m_env);
@ -142,12 +143,13 @@ void appl::Windows::onCallbackPeriodicUpdateCamera(const ewol::event::Time& _eve
offset += 0.01;
static float offset2 = 0;
//offset2 += 0.003;
m_camera->setEye(vec3(100*std::sin(offset),100*std::cos(offset),40*std::cos(offset2)));
//m_camera->setEye(vec3(100*std::sin(offset),100*std::cos(offset),40*std::cos(offset2)));
}
bool appl::Windows::onEventInput(const ewol::event::Input& _event) {
static float ploppp=1;
if (_event.getId() == 1) {
vec2 pos = relativePosition(_event.getPos());
ege::Ray ray = m_camera->getRayFromScreenPosition(pos, m_size);
@ -155,20 +157,30 @@ bool appl::Windows::onEventInput(const ewol::event::Input& _event) {
APPL_INFO("pos=" << pos << " ray = " << ray);
ray.testRay(m_env->getPhysicEngine());
return true;
} else if (_event.getId() == 4) {
ploppp += 1.0f;
m_camera->setEye(vec3(100*std::sin(0),100*std::cos(0),40*std::cos(0))*ploppp);
} else if (_event.getId() == 5) {
ploppp -= 1.0f;
if (ploppp == 0) {
ploppp = 1.0f;
}
m_camera->setEye(vec3(100*std::sin(0),100*std::cos(0),40*std::cos(0))*ploppp);
}
return false;
}
void appl::Windows::onCallbackDisplayDebug(const std::shared_ptr<ewol::resource::Colored3DObject>& _obj) {
EWOL_INFO("draw user debug");
etk::Color<float> tmpColor(0.0, 1.0, 0.0, 0.3);
std::vector<vec3> vertices;
vertices.push_back(m_ray.getOrigin());
vertices.push_back(m_ray.getOrigin() + m_ray.getDirection()*1000);
vertices.push_back(vec3(10,0,0));
//vertices.push_back(m_ray.getOrigin()+vec3(1,0,0));
//vertices.push_back(vec3(100,0,0));//m_ray.getOrigin() + m_ray.getDirection()*1000);
//vertices.push_back(m_ray.getOrigin() + m_ray.getDirection()*1000);
vertices.push_back(vec3(0,0,0));
vertices.push_back(m_ray.getDirection()*1000);
mat4 mat;
mat.identity();
mat.translate(vec3(0,0,0));
_obj->draw(vertices, tmpColor, mat);
_obj->drawLine(vertices, tmpColor, mat);
}