does anybody know there are apis about reading the rendering picture from a game application like War3 in windows?I want to make an application which is just like a video recording software record the game screen to a file.are there any apis?
I find that when I open my Nvidia GeForce 550 the application 's frame rate is the same rate as I assign ,If I close gpu-acceleration , the frame rate is about 300.Could anyone tell me why is this happen?and how to adapt to different kinds of graphic card?
I am studying bullet.I've written a program based on OpenGL which can move the character with the mouse click on the screen like Warcraft.I want to know that i got the angle that the character needs to rotate, how can i apply the rotation in the bullet world?
The demo is
btMatrix3x3 orn = m_ghostObject->getWorldTransform().getBasis();
orn *= btMatrix3x3(btQuaternion(btVector3(0,1,0),-0.01));
and how to calculate the quaternion?
who can help me!!
I want to develop a third person game using ogre and ogrebullet.but I don't know how to use btKincetCharacterController and what is the relationship between CharacterController and ghostObject?Could any body give me a sample?and does ghostObject means that If I want to move the object in ogre I need to get the position of ghostObject and set the node of object in ogre of the position?