13729b62fc
implementation de l'acceleration, de la masse (je sais pas si c'est une bonne facon de faire mais on va dire oui) mouvements avec un code tres sale dans application class frame
91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
#include "physics.h"
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Physics::Physics() : m_gravity(XMVectorSet(0.0f, -9.81f, 0.0f, 0.0f)) // Initialize the gravity vector
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{
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}
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Physics::Physics(const Physics& other)
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{
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m_gravity = other.m_gravity; // Copy the gravity value
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}
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Physics::~Physics()
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{
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}
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// Get the gravity value
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XMVECTOR Physics::GetGravity()
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{
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return m_gravity;
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}
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// Define the gravity value
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void Physics::SetGravity(XMVECTOR gravity)
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{
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m_gravity = gravity;
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}
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// Apply gravity to an object
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void Physics::ApplyGravity(Object* object, float frameTime)
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{
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if (object == nullptr) // Verify if the object is not null
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{
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return;
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}
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// Calculate the acceleration caused by gravity
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XMVECTOR gravityAcceleration = m_gravity / object->GetMass();
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// Add the gravity acceleration to the object's current acceleration
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object->SetAcceleration(object->GetAcceleration() + gravityAcceleration);
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// Get the object velocity
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XMVECTOR velocity = object->GetVelocity();
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// Update the velocity with the object's acceleration
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velocity += object->GetAcceleration() * frameTime;
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// Set the new velocity
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object->SetVelocity(velocity);
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}
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void Physics::ApplyDrag(Object* object, float dragValue, float frameTime)
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{
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if (object == nullptr) // Verify if the object is not null
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{
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return;
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}
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// Calculate the acceleration caused by drag
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XMVECTOR dragAcceleration = -object->GetVelocity() * dragValue / object->GetMass();
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// Add the drag acceleration to the object's current acceleration
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object->SetAcceleration(object->GetAcceleration() + dragAcceleration);
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// Get the velocity of the object
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XMVECTOR velocity = object->GetVelocity();
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// Update the velocity with the object's acceleration
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velocity += object->GetAcceleration() * frameTime;
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// Set the new velocity
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object->SetVelocity(velocity);
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}
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void Physics::ApplyForce(Object* object, XMVECTOR force)
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{
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if (object == nullptr) // Verify if the object is not null
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{
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return;
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}
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// Get the mass of the object
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float mass = object->GetMass();
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// Calculate the acceleration caused by the force
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XMVECTOR acceleration = force / mass;
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// Add the acceleration to the object's current acceleration
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object->SetAcceleration(object->GetAcceleration() + acceleration);
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} |