62 lines
1.2 KiB
C++
62 lines
1.2 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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// Get the object velocity
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XMVECTOR velocity = object->GetVelocity();
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// Update the velocity with gravity
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velocity += m_gravity * 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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// Get the velocity of the object
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XMVECTOR velocity = object->GetVelocity();
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// Calculate the new velocity
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XMVECTOR newVelocity = velocity - (velocity * dragValue * frameTime);
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// Update the velocity of the object
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object->SetVelocity(newVelocity);
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} |