Added Mac OSX XCode project with Cocoa userinterface (wrapping GLUT) for Bullet demos
Thanks to TomorrowPlus for the constribution!
This commit is contained in:
erwin.coumans
390
Extras/AllBulletDemosOSX/src/BTDemo.mm
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390
Extras/AllBulletDemosOSX/src/BTDemo.mm
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#import "BTDemo.h"
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///////////////////////////////////////////////////////////////////////
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// Bullet includes
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#include "LinearMath/btScalar.h"
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#include "LinearMath/btMinMax.h"
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#include "DemoApplication.h"
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#include "DemoEntries.h"
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#include "BulletDynamics/Dynamics/btDiscreteDynamicsWorld.h"
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#include "GLDebugDrawer.h"
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#include "LinearMath/btQuickprof.h"
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///////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark Globals
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static NSPoint MousePosition;
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static NSSize ViewSize;
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static int NumIterations = 10;
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static BOOL DisableDeactivation = NO;
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static BOOL DrawAABBs = NO;
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static BOOL DebugDraw = NO;
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static BOOL DrawContacts = NO;
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///////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark BTDemoEntry
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@interface BTDemoEntry : NSObject {
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btDemoEntry *ctor;
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DemoApplication *demo;
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}
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- (id) initWithDemoEntry: (btDemoEntry*) constructor;
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- (DemoApplication*) demo;
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- (void) reset;
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@end
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@implementation BTDemoEntry
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- (id) initWithDemoEntry: (btDemoEntry*) constructor
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{
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if ( self = [super init] )
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{
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ctor = constructor;
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[self reset];
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}
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return self;
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}
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- (void) dealloc
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{
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if ( demo ) delete demo;
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[super dealloc];
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}
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- (DemoApplication*) demo
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{
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return demo;
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}
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- (void) reset
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{
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if ( demo )
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{
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if (demo->getDynamicsWorld()->getDebugDrawer())
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delete demo->getDynamicsWorld()->getDebugDrawer();
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delete demo;
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demo = NULL;
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}
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demo = ctor->createFcn();
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btAssert(demo);
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if (demo->getDynamicsWorld())
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{
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demo->getDynamicsWorld()->setDebugDrawer(new GLDebugDrawer());
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}
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#ifndef BT_NO_PROFILE
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CProfileManager::Reset();
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#endif //BT_NO_PROFILE
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}
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@end
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///////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark BTDemo
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@implementation BTDemo
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+ (NSArray*) demoNames
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{
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static NSMutableArray *DEMOS = nil;
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if ( !DEMOS )
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{
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DEMOS = [[NSMutableArray alloc] init];
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btDemoEntry* e = g_demoEntries;
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while (e->createFcn)
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{
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[DEMOS addObject: [NSString stringWithUTF8String: e->name]];
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++e;
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}
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}
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return DEMOS;
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}
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+ (BOOL) isDemo: (NSString *) demoName
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{
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return [[self demoNames] containsObject: demoName];
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}
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+ (BTDemo*) demoWithName: (NSString *) demoName
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{
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if ( [BTDemo isDemo: demoName] )
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{
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return [[[BTDemo alloc] initWithDemoName: demoName] autorelease];
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}
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return nil;
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}
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- (id) initWithDemoName: (NSString *) demoName
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{
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if ( self = [super init] )
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{
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_demoName = [demoName copy];
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// now walk the constructor list and find this demo
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btDemoEntry* e = g_demoEntries;
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while (e->createFcn)
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{
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NSString *name = [NSString stringWithCString: e->name];
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if ( [name isEqualToString: demoName] )
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{
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_demo = [[BTDemoEntry alloc] initWithDemoEntry: e];
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break;
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}
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e++;
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}
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}
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return self;
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}
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- (void) dealloc
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{
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[_demoName release];
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[_demo release];
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[super dealloc];
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}
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- (void) reset
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{
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[_demo reset];
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[self contextWillResize];
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[self contextResized: ViewSize];
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[self contextDidResize];
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}
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- (NSString*) demoName
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{
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return _demoName;
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}
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#pragma mark -
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#pragma mark BTOpenGLDisplayDelegate
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- (void) contextCreated
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{}
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- (void) contextWillBeDestroyed
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{}
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- (void) contextWillResize
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{}
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- (void) contextResized: (NSSize) newSize
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{
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ViewSize = newSize;
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glViewport( 0, 0, (int) newSize.width, (int) newSize.height );
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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[_demo demo]->reshape( (int) newSize.width, (int) newSize.height );
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}
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- (void) contextDidResize
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{}
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- (void) contextStateInvalidated
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{}
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- (void) display: (float) deltaT
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{
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DemoApplication *demo = [_demo demo];
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if ( !demo )
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{
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glClearColor( 1, 0.5, 1, 1 );
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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return;
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}
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if (DrawAABBs)
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{
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demo->setDebugMode(demo->getDebugMode() |btIDebugDraw::DBG_DrawAabb);
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}
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else
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{
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demo->setDebugMode(demo->getDebugMode() & (~btIDebugDraw::DBG_DrawAabb));
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}
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if (DebugDraw)
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{
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demo->setDebugMode(demo->getDebugMode() |btIDebugDraw::DBG_DrawWireframe);
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}
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else
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{
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demo->setDebugMode(demo->getDebugMode() & (~btIDebugDraw::DBG_DrawWireframe));
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}
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if (DrawContacts)
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{
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demo->setDebugMode(demo->getDebugMode() |btIDebugDraw::DBG_DrawContactPoints);
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}
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else
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{
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demo->setDebugMode(demo->getDebugMode() & (~btIDebugDraw::DBG_DrawContactPoints));
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}
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if (DisableDeactivation)
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{
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demo->setDebugMode(demo->getDebugMode() |btIDebugDraw::DBG_NoDeactivation);
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}
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else
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{
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demo->setDebugMode(demo->getDebugMode() & (~btIDebugDraw::DBG_NoDeactivation));
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}
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if (demo->getDynamicsWorld() && demo->getDynamicsWorld()->getWorldType() == BT_DISCRETE_DYNAMICS_WORLD)
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{
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btDiscreteDynamicsWorld* discreteWorld = (btDiscreteDynamicsWorld*) demo->getDynamicsWorld();
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discreteWorld->getSolverInfo().m_numIterations = NumIterations;
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}
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if (!demo->isIdle())
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{
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demo->clientMoveAndDisplay();
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}
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else
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{
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demo->displayCallback();
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}
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}
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- (void) keyPressed: (unsigned char) key
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{
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[_demo demo]->keyboardCallback(key, (int)MousePosition.x, (int)MousePosition.y );
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}
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- (void) keyReleased: (unsigned char) key
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{}
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- (void) specialKeyPressed: (unsigned) key
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{
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[_demo demo]->specialKeyboard(key,(int)MousePosition.x, (int)MousePosition.y );
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}
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- (void) specialKeyReleased: (unsigned) key
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{}
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- (void) mouseButtonPressed: (unsigned) mouseButton
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{
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[_demo demo]->mouseFunc( mouseButton, GLUT_DOWN, (int)MousePosition.x, (int)MousePosition.y );
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}
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- (void) mouseButtonReleased: (unsigned) mouseButton
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{
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[_demo demo]->mouseFunc( mouseButton, GLUT_UP, (int)MousePosition.x, (int)MousePosition.y );
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}
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- (void) mouseMoved: (NSPoint) delta
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{
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[_demo demo]->mouseMotionFunc((int)MousePosition.x, (int)MousePosition.y );
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}
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- (void) newMousePosition: (NSPoint) newMousePosition
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{
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// Need to invert Y, since DemoApplication assumes origin at top-left
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MousePosition = NSMakePoint( newMousePosition.x, ViewSize.height - newMousePosition.y );
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}
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- (void) scrollWheel: (NSPoint) delta
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{}
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#pragma mark -
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#pragma mark Global Simulation Properties
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+ (void) setIterations: (unsigned) iterations
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{
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NumIterations = iterations;
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}
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+ (unsigned) iterations
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{
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return NumIterations;
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}
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+ (unsigned) minIterations { return 1; }
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+ (unsigned) maxIterations { return 1000; }
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+ (void) setDisableDeactivation: (BOOL) disableDeactivation
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{
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DisableDeactivation = disableDeactivation;
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}
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+ (BOOL) disableDeactivation
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{
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return DisableDeactivation;
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}
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+ (void) setDrawAABBs: (BOOL) drawAABBs
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{
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DrawAABBs = drawAABBs;
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}
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+ (BOOL) drawAABBs
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{
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return DrawAABBs;
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}
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+ (void) setDebugDraw: (BOOL) debugDraw
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{
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DebugDraw = debugDraw;
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}
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+ (BOOL) debugDraw
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{
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return DebugDraw;
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}
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+ (void) setDrawContacts: (BOOL) drawContacts
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{
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DrawContacts = drawContacts;
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}
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+ (BOOL) drawContacts
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{
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return DrawContacts;
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}
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@end
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