[DEV] update some physic interface

ege/Environement.cpp

@@ -236,7 +236,8 @@ void ege::Environement::getOrderedElementForDisplay(std::vector<ege::Environemen
 		result.element = m_listElement[iii];
 		// check distance ...
 		vec3 destPosition = result.element->getPosition();
-		vec3 angleView = (destPosition - _position).normalized();
+		vec3 angleView = (destPosition - _position);
+		angleView.safeNormalize();
 		float dotResult=angleView.dot(_direction);
 		//EGE_DEBUG("Dot position : " << destPosition << "  == > dot=" << dotResult);
 		/*

ege/elements/Element.h

@@ -29,7 +29,7 @@
 #define ELEMENT_SCALE     (1.0f/8.0f)
 
 namespace ege {
-	class Element {
+	class Element : public std::enable_shared_from_this<Element> {
 		protected:
 			std::shared_ptr<ege::Environement> m_env;
 		public:

ege/elements/ElementPhysic.cpp

@@ -395,6 +395,31 @@ void ege::ElementPhysic::iaDisable() {
 	m_IA = nullptr;
 }
 
+void ege::ElementPhysic::setMass(float _value) {
+	if (m_body == nullptr) {
+		return;
+	}
+	m_body->setMassProps(_value, vec3(0,0,0));
+}
 
+void ege::ElementPhysic::setLinearVelocity(const vec3& _value) {
+	if (m_body == nullptr) {
+		return;
+	}
+	m_body->setLinearVelocity(vec3(0,0,0));
+}
 
+void ege::ElementPhysic::setTorqueImpulse(const vec3& _value) {
+	if (m_body == nullptr) {
+		return;
+	}
+	
+}
+
+void ege::ElementPhysic::setAngularVelocity(const vec3& _value) {
+	if (m_body == nullptr) {
+		return;
+	}
+	m_body->setAngularVelocity(_value);
+}
 

ege/elements/ElementPhysic.h

@@ -109,6 +109,14 @@ namespace ege {
 			 * @return the mass in kG.
 			 */
 			const float getInvMass();
+			
+			virtual void setMass(float _value);
+			virtual void setLinearVelocity(const vec3& _value);
+			virtual void setTorqueImpulse(const vec3& _value);
+			virtual void setAngularVelocity(const vec3& _value);
+			
+			
+			
 		protected:
 			bool m_elementInPhysicsSystem;
 		public:

ege/widget/Scene.cpp

@@ -30,7 +30,8 @@
 #undef __class__
 #define __class__ "Scene"
 
-ege::widget::Scene::Scene() {
+ege::widget::Scene::Scene() :
+	m_cameraName("default") {
 	addObjectType("ege::widget::Scene");
 }
 
@@ -81,6 +82,10 @@ void ege::widget::Scene::onDraw() {
 	
 	// get camera :
 	std::shared_ptr<ege::Camera> camera = m_env->getCamera(m_cameraName);
+	if (camera == nullptr) {
+		EGE_ERROR(" can not get camera named: '" << m_cameraName << "'");
+		return;
+	}
 	//EGE_DEBUG("Draw (start)");
 	mat4 tmpMatrix;
 	std::shared_ptr<btDynamicsWorld> world = m_env->getPhysicEngine().getDynamicWorld();