Compare commits

4 Commits

Author SHA1 Message Date
MuZiQiAM
03ebc33ec6 Merge branch 'master' of https://git.peroxy.dev/kookroach/game-physics 2023-11-08 15:14:20 +01:00
MuZiQiAM
3946a25f27 Demo 1 stuff 2023-11-08 15:14:17 +01:00
PfandBoss
741958d30b Mouse Input test stuff 2023-11-02 14:53:04 +01:00
047b913dfa Fix Repo + add basics 2023-10-31 00:37:29 +01:00
10 changed files with 361 additions and 73 deletions

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@@ -224,12 +224,14 @@
</FxCompile>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="MassSpringSystemSimulator.cpp" />
<ClCompile Include="TemplateSimulator.cpp" />
<ClCompile Include="util\FFmpeg.cpp" />
<ClCompile Include="util\util.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="DrawingUtilitiesClass.h" />
<ClInclude Include="MassPoint.h" />
<ClInclude Include="MassSpringSystemSimulator.h" />
<ClInclude Include="Simulator.h" />
<ClInclude Include="TemplateSimulator.h" />

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@@ -0,0 +1,28 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<FxCompile Include="effect.fx" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="MassSpringSystemSimulator.cpp" />
<ClCompile Include="TemplateSimulator.cpp" />
<ClCompile Include="util\FFmpeg.cpp" />
<ClCompile Include="util\util.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="DrawingUtilitiesClass.h" />
<ClInclude Include="MassSpringSystemSimulator.h" />
<ClInclude Include="Simulator.h" />
<ClInclude Include="TemplateSimulator.h" />
<ClInclude Include="util\FFmpeg.h" />
<ClInclude Include="util\matrixbase.h" />
<ClInclude Include="util\quaternion.h" />
<ClInclude Include="util\timer.h" />
<ClInclude Include="util\util.h" />
<ClInclude Include="util\vectorbase.h" />
<ClInclude Include="MassPoint.h" />
</ItemGroup>
<ItemGroup>
<Text Include="..\readme.txt" />
</ItemGroup>
</Project>

8
Simulations/MassPoint.h Normal file
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@@ -0,0 +1,8 @@
#pragma once
#include "util/vectorbase.h"
struct MassPoint {
GamePhysics::Vec3 position;
GamePhysics::Vec3 velocity;
bool isFixed;
};

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@@ -0,0 +1,220 @@
#include "MassSpringSystemSimulator.h"
MassSpringSystemSimulator::MassSpringSystemSimulator()
{
m_iTestCase = 0;
m_fMass = 10;
m_fStiffness = 40;
int m_iIntegrater = 0;
//Test only
auto first = addMassPoint(Vec3(0, 0, 1), Vec3(0, 0, 0), true);
auto second = addMassPoint(Vec3(0, 0, 0), Vec3(0, 0, 0), true);
addSpring(first, second, 2.0);
}
const char* MassSpringSystemSimulator::getTestCasesStr()
{
return "Demo1,Demo2,Demo3,Demo4";
}
void MassSpringSystemSimulator::initUI(DrawingUtilitiesClass* DUC)
{
this->DUC = DUC;
switch (m_iTestCase)
{
case 0:break;
case 1:
break;
case 2:
break;
default:break;
}
}
void MassSpringSystemSimulator::reset()
{
m_mouse.x = m_mouse.y = 0;
m_trackmouse.x = m_trackmouse.y = 0;
m_oldtrackmouse.x = m_oldtrackmouse.y = 0;
}
void MassSpringSystemSimulator::drawFrame(ID3D11DeviceContext* pd3dImmediateContext)
{
for (size_t i = 0; i < springs.size(); i++) {
auto sp = springs.at(i);
if (!sp.isValid())
{
springs.erase(springs.begin() + i);
continue;
}
auto mp1 = sp.mp1.lock();
auto mp2 = sp.mp2.lock();
DUC->setUpLighting(Vec3(), 0.4 * Vec3(1, 1, 1), 100, 0.6 * Vec3(0.97, 0.86, 1));
DUC->drawSphere(mp1->position, Vec3(0.01));
DUC->drawSphere(mp2->position, Vec3(0.01));
DUC->beginLine();
DUC->drawLine(mp1->position, Vec3(1,0,0), mp2->position, Vec3(0,1,0));
DUC->endLine();
}
}
void MassSpringSystemSimulator::notifyCaseChanged(int testCase)
{
m_iTestCase = testCase;
switch (m_iTestCase)
{
case 0:
cout << "Demo1 !\n";
//simulateTimestep(1);
break;
case 1:
cout << "Demo2 \n";
//m_iNumSpheres = 100;
//m_fSphereSize = 0.05f;
break;
case 2:
cout << "Demo3 !\n";
break;
case 3:
cout << "Demo 4 !\n";
default:
//cout << "Demo4 !\n";
break;
}
}
void MassSpringSystemSimulator::externalForcesCalculations(float timeElapsed)
{
Point2D mouseDiff;
mouseDiff.x = m_trackmouse.x - m_oldtrackmouse.x;
mouseDiff.y = m_trackmouse.y - m_oldtrackmouse.y;
if (mouseDiff.x != 0 || mouseDiff.y != 0)
{
Mat4 worldViewInv = Mat4(DUC->g_camera.GetWorldMatrix() * DUC->g_camera.GetViewMatrix());
worldViewInv = worldViewInv.inverse();
Vec3 inputView = Vec3((float)mouseDiff.x, (float)-mouseDiff.y, 0);
Vec3 inputWorld = worldViewInv.transformVectorNormal(inputView);
// find a proper scale!
float inputScale = 0.001f;
inputWorld = inputWorld * inputScale;
//m_vfMovableObjectPos = m_vfMovableObjectFinalPos + inputWorld;
}
else {
//m_vfMovableObjectFinalPos = m_vfMovableObjectPos;
}
}
void MassSpringSystemSimulator::simulateTimestep(float timeStep)
{
//update current setup for each frame
switch (m_iTestCase) {
case 0:
//update the masspoint
cout << "Euler \n";
cout << "Midpoint\n";
break;
case 1:cout << "demo 2 \n";
break;
case 2:cout << "demo 3\n";
break;
case 3: cout << "demo 4\n";
break;
default: break;
}
}
void MassSpringSystemSimulator::onClick(int x, int y)
{
m_trackmouse.x = x;
m_trackmouse.y = y;
}
void MassSpringSystemSimulator::onMouse(int x, int y)
{
m_oldtrackmouse.x = x;
m_oldtrackmouse.y = y;
m_trackmouse.x = x;
m_trackmouse.y = y;
}
void MassSpringSystemSimulator::setMass(float mass)
{
m_fMass = mass;
}
void MassSpringSystemSimulator::setStiffness(float stiffness)
{
m_fStiffness = stiffness;
}
void MassSpringSystemSimulator::setDampingFactor(float damping)
{
m_fDamping = damping;
}
int MassSpringSystemSimulator::addMassPoint(Vec3 position, Vec3 Velocity, bool isFixed)
{
MassPoint masspoint;
masspoint.position = position;
masspoint.velocity = Velocity;
masspoint.isFixed = isFixed;
masspoints.push_back(std::make_shared<MassPoint>(masspoint));
return masspoints.size() - 1;
}
void MassSpringSystemSimulator::addSpring(int masspoint1, int masspoint2, float initialLength)
{
auto mp1 = masspoints.at(masspoint1);
auto mp2 = masspoints.at(masspoint2);
Spring spring;
spring.mp1 = mp1;
spring.mp2 = mp2;
spring.initialLength = initialLength;
springs.push_back(spring);
}
int MassSpringSystemSimulator::getNumberOfMassPoints()
{
return masspoints.size();
}
int MassSpringSystemSimulator::getNumberOfSprings()
{
return springs.size();
}
Vec3 MassSpringSystemSimulator::getPositionOfMassPoint(int index)
{
auto mp = masspoints.at(index);
return mp->position;
}
Vec3 MassSpringSystemSimulator::getVelocityOfMassPoint(int index)
{
auto mp = masspoints.at(index);
return mp->velocity;
}
void MassSpringSystemSimulator::applyExternalForce(Vec3 force)
{
}

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@@ -1,58 +1,64 @@
#ifndef MASSSPRINGSYSTEMSIMULATOR_h
#define MASSSPRINGSYSTEMSIMULATOR_h
#include "Simulator.h"
// Do Not Change
#define EULER 0
#define LEAPFROG 1
#define MIDPOINT 2
// Do Not Change
class MassSpringSystemSimulator:public Simulator{
public:
// Construtors
MassSpringSystemSimulator();
// UI Functions
const char * getTestCasesStr();
void initUI(DrawingUtilitiesClass * DUC);
void reset();
void drawFrame(ID3D11DeviceContext* pd3dImmediateContext);
void notifyCaseChanged(int testCase);
void externalForcesCalculations(float timeElapsed);
void simulateTimestep(float timeStep);
void onClick(int x, int y);
void onMouse(int x, int y);
// Specific Functions
void setMass(float mass);
void setStiffness(float stiffness);
void setDampingFactor(float damping);
int addMassPoint(Vec3 position, Vec3 Velocity, bool isFixed);
void addSpring(int masspoint1, int masspoint2, float initialLength);
int getNumberOfMassPoints();
int getNumberOfSprings();
Vec3 getPositionOfMassPoint(int index);
Vec3 getVelocityOfMassPoint(int index);
#ifndef MASSSPRINGSYSTEMSIMULATOR_h
#define MASSSPRINGSYSTEMSIMULATOR_h
#include "Simulator.h"
#include "MassPoint.h"
#include "Spring.h"
// Do Not Change
#define EULER 0
#define LEAPFROG 1
#define MIDPOINT 2
// Do Not Change
class MassSpringSystemSimulator:public Simulator{
public:
// Construtors
MassSpringSystemSimulator();
// UI Functions
const char * getTestCasesStr();
void initUI(DrawingUtilitiesClass * DUC);
void reset();
void drawFrame(ID3D11DeviceContext* pd3dImmediateContext);
void notifyCaseChanged(int testCase);
void externalForcesCalculations(float timeElapsed);
void simulateTimestep(float timeStep);
void onClick(int x, int y);
void onMouse(int x, int y);
// Specific Functions
void setMass(float mass);
void setStiffness(float stiffness);
void setDampingFactor(float damping);
int addMassPoint(Vec3 position, Vec3 Velocity, bool isFixed);
void addSpring(int masspoint1, int masspoint2, float initialLength);
int getNumberOfMassPoints();
int getNumberOfSprings();
Vec3 getPositionOfMassPoint(int index);
Vec3 getVelocityOfMassPoint(int index);
void applyExternalForce(Vec3 force);
// Do Not Change
void setIntegrator(int integrator) {
m_iIntegrator = integrator;
}
private:
// Data Attributes
}
private:
// Data Attributes
float m_fMass;
float m_fStiffness;
float m_fDamping;
int m_iIntegrator;
// UI Attributes
Vec3 m_externalForce;
Point2D m_mouse;
Point2D m_trackmouse;
Point2D m_oldtrackmouse;
};
int m_iIntegrator;
// UI Attributes
Vec3 m_externalForce;
Point2D m_mouse;
Point2D m_trackmouse;
Point2D m_oldtrackmouse;
//Mass points and springs
std::vector<std::shared_ptr<MassPoint>> masspoints;
std::vector<Spring> springs;
};
#endif

0
Simulations/Spring.cpp Normal file
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11
Simulations/Spring.h Normal file
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@@ -0,0 +1,11 @@
#pragma once
struct Spring
{
std::weak_ptr<MassPoint> mp1;
std::weak_ptr<MassPoint> mp2;
float initialLength;
bool isValid() { return !mp1.expired() && !mp2.expired(); }
};

View File

@@ -20,8 +20,8 @@ using namespace GamePhysics;
//#define ADAPTIVESTEP
#define TEMPLATE_DEMO
//#define MASS_SPRING_SYSTEM
//#define TEMPLATE_DEMO
#define MASS_SPRING_SYSTEM
//#define RIGID_BODY_SYSTEM
//#define SPH_SYSTEM
@@ -53,9 +53,14 @@ bool firstTime = true;
FFmpeg* g_pFFmpegVideoRecorder = nullptr;
// Input Stuff
float lastX;
float lastY;
void initTweakBar(){
g_pDUC->g_pTweakBar = TwNewBar("TweakBar");
TwDefine(" TweakBar color='0 128 128' alpha=128 ");
TwDefine(" TweakBar color='128 128 128' alpha=128 ");
TwType TW_TYPE_TESTCASE = TwDefineEnumFromString("Test Scene", g_pSimulator->getTestCasesStr());
TwAddVarRW(g_pDUC->g_pTweakBar, "Test Scene", TW_TYPE_TESTCASE, &g_iTestCase, "");
// HINT: For buttons you can directly pass the callback function as a lambda expression.
@@ -202,10 +207,23 @@ void CALLBACK OnMouse( bool bLeftButtonDown, bool bRightButtonDown, bool bMiddle
if (bLeftButtonDown)
{
g_pSimulator->onClick(xPos,yPos);
int x = xPos;
int y = yPos;
}
else
{
g_pSimulator->onMouse(xPos, yPos);
float deltaX = lastX - xPos;
float deltaY = lastY - yPos;
lastX = xPos;
lastY = yPos;
/*printf("X Delta: %f \n", deltaX);
printf("Y Delta: %f \n", deltaY);*/
}
}

View File

@@ -172,9 +172,6 @@
<ProjectReference Include="..\DirectXTK\DirectXTK_Desktop_2022.vcxproj">
<Project>{e0b52ae7-e160-4d32-bf3f-910b785e5a8e}</Project>
</ProjectReference>
<ProjectReference Include="..\DirectXTK\MakeSpriteFont\MakeSpriteFont.csproj">
<Project>{7329b02d-c504-482a-a156-181d48ce493c}</Project>
</ProjectReference>
<ProjectReference Include="..\DXUT11\Core\DXUT_DirectXTK_2022.vcxproj">
<Project>{85344b7f-5aa0-4e12-a065-d1333d11f6ca}</Project>
</ProjectReference>

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@@ -13,8 +13,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DXUT", "DXUT11\Core\DXUT_Di
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DXUTOpt", "DXUT11\Optional\DXUTOpt_DirectXTK_2022.vcxproj", "{61B333C2-C4F7-4CC1-A9BF-83F6D95588EB}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MakeSpriteFont22", "DirectXTK\MakeSpriteFont\MakeSpriteFont22.csproj", "{7329B02D-C504-482A-A156-181D48CE493C}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "AntTweakBar", "AntTweakBar\src\AntTweakBar_2022.vcxproj", "{B99E1FA1-C30A-45F2-9D57-9E9C21B2DF42}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DirectXTK_Desktop_2022", "DirectXTK\DirectXTK_Desktop_2022.vcxproj", "{E0B52AE7-E160-4D32-BF3F-910B785E5A8E}"
@@ -29,6 +27,22 @@ Global
Release|x64 = Release|x64
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|Win32.ActiveCfg = Debug|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|Win32.Build.0 = Debug|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|x64.ActiveCfg = Debug|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|x64.Build.0 = Debug|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|Win32.ActiveCfg = Release|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|Win32.Build.0 = Release|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|x64.ActiveCfg = Release|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|x64.Build.0 = Release|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|Win32.ActiveCfg = Debug|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|Win32.Build.0 = Debug|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|x64.ActiveCfg = Debug|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|x64.Build.0 = Debug|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|Win32.ActiveCfg = Release|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|Win32.Build.0 = Release|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|x64.ActiveCfg = Release|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|x64.Build.0 = Release|x64
{DF460EAB-570D-4B50-9089-2E2FC801BF38}.Debug|Win32.ActiveCfg = Debug|Win32
{DF460EAB-570D-4B50-9089-2E2FC801BF38}.Debug|Win32.Build.0 = Debug|Win32
{DF460EAB-570D-4B50-9089-2E2FC801BF38}.Debug|x64.ActiveCfg = Debug|x64
@@ -61,22 +75,6 @@ Global
{B99E1FA1-C30A-45F2-9D57-9E9C21B2DF42}.Release|Win32.Build.0 = Release|Win32
{B99E1FA1-C30A-45F2-9D57-9E9C21B2DF42}.Release|x64.ActiveCfg = Release|x64
{B99E1FA1-C30A-45F2-9D57-9E9C21B2DF42}.Release|x64.Build.0 = Release|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|Win32.ActiveCfg = Debug|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|Win32.Build.0 = Debug|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|x64.ActiveCfg = Debug|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Debug|x64.Build.0 = Debug|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|Win32.ActiveCfg = Release|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|Win32.Build.0 = Release|Win32
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|x64.ActiveCfg = Release|x64
{3CABED2C-12F1-4408-AAAE-E2185A426F35}.Release|x64.Build.0 = Release|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|Win32.ActiveCfg = Debug|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|Win32.Build.0 = Debug|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|x64.ActiveCfg = Debug|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Debug|x64.Build.0 = Debug|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|Win32.ActiveCfg = Release|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|Win32.Build.0 = Release|Win32
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|x64.ActiveCfg = Release|x64
{0B7BAA5B-0753-4015-A8F3-8FA540FC8660}.Release|x64.Build.0 = Release|x64
{E0B52AE7-E160-4D32-BF3F-910B785E5A8E}.Debug|Win32.ActiveCfg = Debug|Win32
{E0B52AE7-E160-4D32-BF3F-910B785E5A8E}.Debug|Win32.Build.0 = Debug|Win32
{E0B52AE7-E160-4D32-BF3F-910B785E5A8E}.Debug|x64.ActiveCfg = Debug|x64