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added move system and modified the camera for less bobidity

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This commit is contained in:
Jasper 2015-02-13 17:22:01 +01:00
parent 02aea1f297
commit 664539b718
2 changed files with 21 additions and 4 deletions
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20
physics.cc
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@ -53,7 +53,17 @@ void Physics::takeUpdateStep(float timeDiff)
btVector3 dir = cameraBody->getCenterOfMassPosition() - position; btVector3 dir = cameraBody->getCenterOfMassPosition() - position;
float str = 50 * dir.length() / cameraBody->getInvMass(); //getInvMass() returns the inverted mass float str = 50 * dir.length() / cameraBody->getInvMass(); //getInvMass() returns the inverted mass
cameraBody->applyCentralForce(-dir*str); //scale the force by camera mass
/*if(dir.length() > -0.1f && dir.length() < 0.1f)
{
cameraBody->setLinearVelocity(btVector3(0,0,0));
world->stepSimulation(timeDiff);
return;
}*/
cameraBody->setLinearVelocity(btVector3(0,0,0));
cameraBody->applyCentralForce(-dir*str*10) ; //scale the force by camera mass
counter=0; counter=0;
float speed = cameraBody->getLinearVelocity().length(); float speed = cameraBody->getLinearVelocity().length();
if(speed>20.0f) if(speed>20.0f)
@ -408,7 +418,7 @@ void Physics::updateCameraPos(glm::vec2 mouseMovement, float strength, float dis
change.normalize(); //normalize so that the distance between camera and body does not matter change.normalize(); //normalize so that the distance between camera and body does not matter
change *= (mouseMovement.y); //we start with left/right movement because this needs to be calculated via a crossproduct, and the up down value would alter that change *= (mouseMovement.y); //we start with left/right movement because this needs to be calculated via a crossproduct, and the up down value would alter that
change = btCross(btVector3(0,1,0),change); change = btCross(btVector3(0,1,0),change);
change.setY(mouseMovement.x/5); //scaleing because otherwise oup/down much stronger then left right change.setY(mouseMovement.x); //scaleing because otherwise oup/down much stronger then left right
change *= strength / cameraBody->getInvMass(); change *= strength / cameraBody->getInvMass();
cameraBody->applyCentralForce(change); cameraBody->applyCentralForce(change);
@ -467,6 +477,12 @@ void Physics::addStaticGroundPlane()
} //not needed anymoer, but still good for debugging } //not needed anymoer, but still good for debugging
void Physics::forceMove(glm::vec3 newPosition, unsigned indice)
{
bodies[indice]->setCenterOfMassTransform(btTransform(btQuaternion(0,0,0,1),btVector3(newPosition.x,newPosition.y,newPosition.z)));
}
void Physics::kill() //delete dynamically allocated memory void Physics::kill() //delete dynamically allocated memory
{ {
if (world == NULL) { if (world == NULL) {

1
physics.hh
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@ -68,6 +68,7 @@ class Physics {
glm::vec3 getCameraToPlayer(); glm::vec3 getCameraToPlayer();
void kill(); void kill();
void addButtonFrame(Entity entity); void addButtonFrame(Entity entity);
void forceMove(glm::vec3 newPosition, unsigned indice);
struct positionConstraint{btRigidBody* body; float strength; btVector3 position;}; struct positionConstraint{btRigidBody* body; float strength; btVector3 position;};