reactphysics3d/testbed/scenes/collisionshapes/CollisionShapesScene.cpp

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/********************************************************************************
* ReactPhysics3D physics library, http://www.reactphysics3d.com *
* Copyright (c) 2010-2015 Daniel Chappuis *
*********************************************************************************
* *
* This software is provided 'as-is', without any express or implied warranty. *
* In no event will the authors be held liable for any damages arising from the *
* use of this software. *
* *
* Permission is granted to anyone to use this software for any purpose, *
* including commercial applications, and to alter it and redistribute it *
* freely, subject to the following restrictions: *
* *
* 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. *
* *
* 2. Altered source versions must be plainly marked as such, and must not be *
* misrepresented as being the original software. *
* *
* 3. This notice may not be removed or altered from any source distribution. *
* *
********************************************************************************/
// Libraries
#include "CollisionShapesScene.h"
// Namespaces
using namespace openglframework;
using namespace collisionshapesscene;
// Constructor
CollisionShapesScene::CollisionShapesScene(const std::string& name)
: SceneDemo(name, SCENE_RADIUS) {
std::string meshFolderPath("meshes/");
// Compute the radius and the center of the scene
openglframework::Vector3 center(0, 5, 0);
// Set the center of the scene
setScenePosition(center, SCENE_RADIUS);
// Gravity vector in the dynamics world
rp3d::Vector3 gravity(0, -9.81, 0);
// Time step for the physics simulation
rp3d::decimal timeStep = 1.0f / 60.0f;
// Create the dynamics world for the physics simulation
mDynamicsWorld = new rp3d::DynamicsWorld(gravity);
// Set the number of iterations of the constraint solver
mDynamicsWorld->setNbIterationsVelocitySolver(15);
float radius = 3.0f;
for (int i=0; i<NB_COMPOUND_SHAPES; i++) {
// Position
float angle = i * 30.0f;
openglframework::Vector3 position(radius * cos(angle),
100 + i * (DUMBBELL_HEIGHT + 0.3f),
radius * sin(angle));
// Create a convex mesh and a corresponding rigid in the dynamics world
Dumbbell* dumbbell = new Dumbbell(position, mDynamicsWorld, meshFolderPath);
// Set the box color
dumbbell->setColor(mDemoColors[i % mNbDemoColors]);
dumbbell->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = dumbbell->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the mesh the list of dumbbells in the scene
mDumbbells.push_back(dumbbell);
}
// Create all the boxes of the scene
for (int i=0; i<NB_BOXES; i++) {
// Position
float angle = i * 30.0f;
openglframework::Vector3 position(radius * cos(angle),
60 + i * (BOX_SIZE.y + 0.8f),
radius * sin(angle));
// Create a sphere and a corresponding rigid in the dynamics world
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Box* box = new Box(BOX_SIZE, position , BOX_MASS, mDynamicsWorld);
// Set the box color
box->setColor(mDemoColors[i % mNbDemoColors]);
box->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = box->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the sphere the list of sphere in the scene
mBoxes.push_back(box);
}
// Create all the spheres of the scene
for (int i=0; i<NB_CUBES; i++) {
// Position
float angle = i * 35.0f;
openglframework::Vector3 position(radius * cos(angle),
50 + i * (SPHERE_RADIUS + 0.8f),
radius * sin(angle));
// Create a sphere and a corresponding rigid in the dynamics world
Sphere* sphere = new Sphere(SPHERE_RADIUS, position , BOX_MASS, mDynamicsWorld,
meshFolderPath);
// Set the box color
sphere->setColor(mDemoColors[i % mNbDemoColors]);
sphere->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = sphere->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the sphere the list of sphere in the scene
mSpheres.push_back(sphere);
}
// Create all the cones of the scene
for (int i=0; i<NB_CONES; i++) {
// Position
float angle = i * 50.0f;
openglframework::Vector3 position(radius * cos(angle),
35 + i * (CONE_HEIGHT + 0.3f),
radius * sin(angle));
// Create a cone and a corresponding rigid in the dynamics world
Cone* cone = new Cone(CONE_RADIUS, CONE_HEIGHT, position, CONE_MASS, mDynamicsWorld,
meshFolderPath);
// Set the box color
cone->setColor(mDemoColors[i % mNbDemoColors]);
cone->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = cone->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the cone the list of sphere in the scene
mCones.push_back(cone);
}
// Create all the cylinders of the scene
for (int i=0; i<NB_CYLINDERS; i++) {
// Position
float angle = i * 35.0f;
openglframework::Vector3 position(radius * cos(angle),
25 + i * (CYLINDER_HEIGHT + 0.3f),
radius * sin(angle));
// Create a cylinder and a corresponding rigid in the dynamics world
Cylinder* cylinder = new Cylinder(CYLINDER_RADIUS, CYLINDER_HEIGHT, position ,
CYLINDER_MASS, mDynamicsWorld, meshFolderPath);
// Set the box color
cylinder->setColor(mDemoColors[i % mNbDemoColors]);
cylinder->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = cylinder->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the cylinder the list of sphere in the scene
mCylinders.push_back(cylinder);
}
// Create all the capsules of the scene
for (int i=0; i<NB_CAPSULES; i++) {
// Position
float angle = i * 45.0f;
openglframework::Vector3 position(radius * cos(angle),
15 + i * (CAPSULE_HEIGHT + 0.3f),
radius * sin(angle));
// Create a cylinder and a corresponding rigid in the dynamics world
Capsule* capsule = new Capsule(CAPSULE_RADIUS, CAPSULE_HEIGHT, position ,
CAPSULE_MASS, mDynamicsWorld, meshFolderPath);
// Set the box color
capsule->setColor(mDemoColors[i % mNbDemoColors]);
capsule->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = capsule->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the cylinder the list of sphere in the scene
mCapsules.push_back(capsule);
}
// Create all the convex meshes of the scene
for (int i=0; i<NB_MESHES; i++) {
// Position
float angle = i * 30.0f;
openglframework::Vector3 position(radius * cos(angle),
5 + i * (CAPSULE_HEIGHT + 0.3f),
radius * sin(angle));
// Create a convex mesh and a corresponding rigid in the dynamics world
ConvexMesh* mesh = new ConvexMesh(position, MESH_MASS, mDynamicsWorld, meshFolderPath);
// Set the box color
mesh->setColor(mDemoColors[i % mNbDemoColors]);
mesh->setSleepingColor(mRedColorDemo);
// Change the material properties of the rigid body
rp3d::Material& material = mesh->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Add the mesh the list of sphere in the scene
mConvexMeshes.push_back(mesh);
}
// Create the floor
openglframework::Vector3 floorPosition(0, 0, 0);
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mFloor = new Box(FLOOR_SIZE, floorPosition, FLOOR_MASS, mDynamicsWorld);
// Set the box color
mFloor->setColor(mGreyColorDemo);
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mFloor->setSleepingColor(mGreyColorDemo);
// The floor must be a static rigid body
mFloor->getRigidBody()->setType(rp3d::STATIC);
// Change the material properties of the rigid body
rp3d::Material& material = mFloor->getRigidBody()->getMaterial();
material.setBounciness(rp3d::decimal(0.2));
// Get the physics engine parameters
mEngineSettings.isGravityEnabled = mDynamicsWorld->isGravityEnabled();
rp3d::Vector3 gravityVector = mDynamicsWorld->getGravity();
mEngineSettings.gravity = openglframework::Vector3(gravityVector.x, gravityVector.y, gravityVector.z);
mEngineSettings.isSleepingEnabled = mDynamicsWorld->isSleepingEnabled();
mEngineSettings.sleepLinearVelocity = mDynamicsWorld->getSleepLinearVelocity();
mEngineSettings.sleepAngularVelocity = mDynamicsWorld->getSleepAngularVelocity();
mEngineSettings.nbPositionSolverIterations = mDynamicsWorld->getNbIterationsPositionSolver();
mEngineSettings.nbVelocitySolverIterations = mDynamicsWorld->getNbIterationsVelocitySolver();
mEngineSettings.timeBeforeSleep = mDynamicsWorld->getTimeBeforeSleep();
}
// Destructor
CollisionShapesScene::~CollisionShapesScene() {
// Destroy all the boxes of the scene
for (std::vector<Box*>::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the box
delete (*it);
}
// Destroy all the sphere of the scene
for (std::vector<Sphere*>::iterator it = mSpheres.begin(); it != mSpheres.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the sphere
delete (*it);
}
// Destroy all the cones of the scene
for (std::vector<Cone*>::iterator it = mCones.begin(); it != mCones.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the sphere
delete (*it);
}
// Destroy all the cylinders of the scene
for (std::vector<Cylinder*>::iterator it = mCylinders.begin(); it != mCylinders.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the sphere
delete (*it);
}
// Destroy all the capsules of the scene
for (std::vector<Capsule*>::iterator it = mCapsules.begin(); it != mCapsules.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the sphere
delete (*it);
}
// Destroy all the convex meshes of the scene
for (std::vector<ConvexMesh*>::iterator it = mConvexMeshes.begin();
it != mConvexMeshes.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the convex mesh
delete (*it);
}
// Destroy all the dumbbell of the scene
for (std::vector<Dumbbell*>::iterator it = mDumbbells.begin();
it != mDumbbells.end(); ++it) {
// Destroy the corresponding rigid body from the dynamics world
mDynamicsWorld->destroyRigidBody((*it)->getRigidBody());
// Destroy the convex mesh
delete (*it);
}
// Destroy the rigid body of the floor
mDynamicsWorld->destroyRigidBody(mFloor->getRigidBody());
// Destroy the floor
delete mFloor;
// Destroy the dynamics world
delete mDynamicsWorld;
}
// Update the physics world (take a simulation step)
void CollisionShapesScene::updatePhysics() {
// Update the physics engine parameters
mDynamicsWorld->setIsGratityEnabled(mEngineSettings.isGravityEnabled);
rp3d::Vector3 gravity(mEngineSettings.gravity.x, mEngineSettings.gravity.y,
mEngineSettings.gravity.z);
mDynamicsWorld->setGravity(gravity);
mDynamicsWorld->enableSleeping(mEngineSettings.isSleepingEnabled);
mDynamicsWorld->setSleepLinearVelocity(mEngineSettings.sleepLinearVelocity);
mDynamicsWorld->setSleepAngularVelocity(mEngineSettings.sleepAngularVelocity);
mDynamicsWorld->setNbIterationsPositionSolver(mEngineSettings.nbPositionSolverIterations);
mDynamicsWorld->setNbIterationsVelocitySolver(mEngineSettings.nbVelocitySolverIterations);
mDynamicsWorld->setTimeBeforeSleep(mEngineSettings.timeBeforeSleep);
// Take a simulation step
mDynamicsWorld->update(mEngineSettings.timeStep);
}
// Take a step for the simulation
void CollisionShapesScene::update() {
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SceneDemo::update();
// Update the position and orientation of the boxes
for (std::vector<Box*>::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
// Update the position and orientation of the sphere
for (std::vector<Sphere*>::iterator it = mSpheres.begin(); it != mSpheres.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
// Update the position and orientation of the cones
for (std::vector<Cone*>::iterator it = mCones.begin(); it != mCones.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
// Update the position and orientation of the cylinders
for (std::vector<Cylinder*>::iterator it = mCylinders.begin(); it != mCylinders.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
// Update the position and orientation of the capsules
for (std::vector<Capsule*>::iterator it = mCapsules.begin(); it != mCapsules.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
// Update the position and orientation of the convex meshes
for (std::vector<ConvexMesh*>::iterator it = mConvexMeshes.begin();
it != mConvexMeshes.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
// Update the position and orientation of the dumbbells
for (std::vector<Dumbbell*>::iterator it = mDumbbells.begin();
it != mDumbbells.end(); ++it) {
// Update the transform used for the rendering
(*it)->updateTransform(mInterpolationFactor);
}
mFloor->updateTransform(mInterpolationFactor);
}
// Render the scene
void CollisionShapesScene::renderSinglePass(openglframework::Shader& shader,
const openglframework::Matrix4& worldToCameraMatrix) {
// Bind the shader
shader.bind();
// Render all the boxes of the scene
for (std::vector<Box*>::iterator it = mBoxes.begin(); it != mBoxes.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render all the sphere of the scene
for (std::vector<Sphere*>::iterator it = mSpheres.begin(); it != mSpheres.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render all the cones of the scene
for (std::vector<Cone*>::iterator it = mCones.begin(); it != mCones.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render all the cylinders of the scene
for (std::vector<Cylinder*>::iterator it = mCylinders.begin(); it != mCylinders.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render all the capsules of the scene
for (std::vector<Capsule*>::iterator it = mCapsules.begin(); it != mCapsules.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render all the convex meshes of the scene
for (std::vector<ConvexMesh*>::iterator it = mConvexMeshes.begin();
it != mConvexMeshes.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render all the dumbbells of the scene
for (std::vector<Dumbbell*>::iterator it = mDumbbells.begin();
it != mDumbbells.end(); ++it) {
(*it)->render(shader, worldToCameraMatrix);
}
// Render the floor
mFloor->render(shader, worldToCameraMatrix);
// Unbind the shader
shader.unbind();
}
/// Reset the scene
void CollisionShapesScene::reset() {
float radius = 3.0f;
for (int i=0; i<NB_COMPOUND_SHAPES; i++) {
// Position
float angle = i * 30.0f;
openglframework::Vector3 position(radius * cos(angle),
100 + i * (DUMBBELL_HEIGHT + 0.3f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mDumbbells[i]->resetTransform(transform);
}
// Create all the boxes of the scene
for (int i=0; i<NB_BOXES; i++) {
// Position
float angle = i * 30.0f;
openglframework::Vector3 position(radius * cos(angle),
60 + i * (BOX_SIZE.y + 0.8f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mBoxes[i]->resetTransform(transform);
}
// Create all the spheres of the scene
for (int i=0; i<NB_CUBES; i++) {
// Position
float angle = i * 35.0f;
openglframework::Vector3 position(radius * cos(angle),
50 + i * (SPHERE_RADIUS + 0.8f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mSpheres[i]->resetTransform(transform);
}
// Create all the cones of the scene
for (int i=0; i<NB_CONES; i++) {
// Position
float angle = i * 50.0f;
openglframework::Vector3 position(radius * cos(angle),
35 + i * (CONE_HEIGHT + 0.3f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mCones[i]->resetTransform(transform);
}
// Create all the cylinders of the scene
for (int i=0; i<NB_CYLINDERS; i++) {
// Position
float angle = i * 35.0f;
openglframework::Vector3 position(radius * cos(angle),
25 + i * (CYLINDER_HEIGHT + 0.3f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mCylinders[i]->resetTransform(transform);
}
// Create all the capsules of the scene
for (int i=0; i<NB_CAPSULES; i++) {
// Position
float angle = i * 45.0f;
openglframework::Vector3 position(radius * cos(angle),
15 + i * (CAPSULE_HEIGHT + 0.3f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mCapsules[i]->resetTransform(transform);
}
// Create all the convex meshes of the scene
for (int i=0; i<NB_MESHES; i++) {
// Position
float angle = i * 30.0f;
openglframework::Vector3 position(radius * cos(angle),
5 + i * (CAPSULE_HEIGHT + 0.3f),
radius * sin(angle));
// Initial position and orientation of the rigid body
rp3d::Vector3 initPosition(position.x, position.y, position.z);
rp3d::Quaternion initOrientation = rp3d::Quaternion::identity();
rp3d::Transform transform(initPosition, initOrientation);
// Reset the transform
mConvexMeshes[i]->resetTransform(transform);
}
}