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add option to create mp4 videos from App_AllBullet2Demos, using the

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--mp4=video.mp4 note that you have to re-convert for Quicktime
ffmpeg  -f mp4 -vcodec h264 -i test.mp4 -pix_fmt yuv420p test2.mp4
add the option to display text in 3d, used in Coriolis demo
This commit is contained in:
Erwin Coumans
2015-03-25 14:04:26 -07:00
parent 0a04a745dd
commit 2ddd8f78c2
8 changed files with 84 additions and 23 deletions
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67
Demos/GyroscopicDemo/GyroscopicSetup.cpp
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@@ -1,5 +1,22 @@
#include "GyroscopicSetup.h"
static int gyroflags[5] = {
0,//none, no gyroscopic term
BT_ENABLE_GYROSCOPIC_FORCE_EXPLICIT,
BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_EWERT,
BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_CATTO,
BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_COOPER,
};
static const char* gyroNames[5] = {
"No Coriolis",
"Explicit",
"Ewert",
"Catto",
"Cooper",
};
void GyroscopicSetup::initPhysics(GraphicsPhysicsBridge& gfxBridge)
{
gfxBridge.setUpAxis(2);
@@ -7,16 +24,7 @@ void GyroscopicSetup::initPhysics(GraphicsPhysicsBridge& gfxBridge)
m_dynamicsWorld->setGravity(btVector3(0, 0, 0));
gfxBridge.createPhysicsDebugDrawer(m_dynamicsWorld);
//btCollisionShape* groundShape = new btBoxShape(btVector3(btScalar(50.),btScalar(50.),btScalar(0.5)));
btCollisionShape* groundShape = new btStaticPlaneShape(btVector3(0, 0, 1), 0);
m_collisionShapes.push_back(groundShape);
btTransform groundTransform;
groundTransform.setIdentity();
groundTransform.setOrigin(btVector3(0, 0, 0));
btRigidBody* groundBody;
groundBody = createRigidBody(0, groundTransform, groundShape);
groundBody->setFriction(btSqrt(2));
btVector3 positions[5] = {
btVector3( -10, 8,4),
btVector3( -5, 8,4),
@@ -24,14 +32,7 @@ void GyroscopicSetup::initPhysics(GraphicsPhysicsBridge& gfxBridge)
btVector3( 5, 8,4),
btVector3( 10, 8,4),
};
int gyroflags[5] = {
0,//none, no gyroscopic term
BT_ENABLE_GYROSCOPIC_FORCE_EXPLICIT,
BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_EWERT,
BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_COOPER,
BT_ENABLE_GYROSCOPIC_FORCE_IMPLICIT_CATTO,
};
for (int i = 0; i<5; i++)
{
@@ -64,6 +65,34 @@ void GyroscopicSetup::initPhysics(GraphicsPhysicsBridge& gfxBridge)
}
{
//btCollisionShape* groundShape = new btBoxShape(btVector3(btScalar(50.),btScalar(50.),btScalar(0.5)));
btCollisionShape* groundShape = new btStaticPlaneShape(btVector3(0, 0, 1), 0);
m_collisionShapes.push_back(groundShape);
btTransform groundTransform;
groundTransform.setIdentity();
groundTransform.setOrigin(btVector3(0, 0, 0));
btRigidBody* groundBody;
groundBody = createRigidBody(0, groundTransform, groundShape);
groundBody->setFriction(btSqrt(2));
}
gfxBridge.autogenerateGraphicsObjects(m_dynamicsWorld);
}
void GyroscopicSetup::syncPhysicsToGraphics(GraphicsPhysicsBridge& gfxBridge)
{
CommonRigidBodySetup::syncPhysicsToGraphics(gfxBridge);
//render method names above objects
for (int i=0;i<m_dynamicsWorld->getNumCollisionObjects();i++)
{
btRigidBody* body = btRigidBody::upcast(m_dynamicsWorld->getCollisionObjectArray()[i]);
if (body && body->getInvMass()>0)
{
btTransform tr = body->getWorldTransform();
btVector3 pos = tr.getOrigin()+btVector3(0,0,2);
btScalar size=1;
gfxBridge.drawText3D(gyroNames[i],pos.x(),pos.y(),pos.z(),size);
}
}
}