anonymous_namespace{pong.cpp}::Ball Class Reference

Public Member Functions
	Ball (const glm::vec3 &pos, const glm::vec3 &vel, float r)
glm::mat4	modelMatrix () const
void	resetBall ()
void	update (float deltaTime, Paddle &paddle1, Paddle &paddle2, int &score1, int &score2)

Public Attributes
bool	hitPaddle1 = false
bool	hitPaddle2 = false
bool	hitWall = false
glm::vec3	lastImpactPos {0.0f}
glm::vec3	position
float	radius = 0.05f
glm::quat	rollingOrientation {1.0f, 0.0f, 0.0f, 0.0f}
float	speed = 1.0f
glm::vec3	velocity

Detailed Description

Definition at line 118 of file pong.cpp.

Constructor & Destructor Documentation

Ball()

anonymous_namespace{pong.cpp}::Ball::Ball ( const glm::vec3 & pos, const glm::vec3 & vel, float r )

inlineexplicit

Definition at line 130 of file pong.cpp.

            : position(pos), velocity(vel), radius(r), speed(glm::length(vel)) {}

Member Function Documentation

modelMatrix()

glm::mat4 anonymous_namespace{pong.cpp}::Ball::modelMatrix ( ) const

inlinenodiscard

Definition at line 150 of file pong.cpp.

                                                  {
            glm::mat4 model(1.0f);
            model = glm::translate(model, position);
            model *= glm::mat4_cast(rollingOrientation);
            model = glm::scale(model, glm::vec3(radius));
            return model;
        }

resetBall()

void anonymous_namespace{pong.cpp}::Ball::resetBall ( )

inline

Definition at line 133 of file pong.cpp.

                         {
            position = glm::vec3(0.0f, 0.0f, 0.0f);
            rollingOrientation = glm::quat{1.0f, 0.0f, 0.0f, 0.0f};
            const float angle = glm::radians(static_cast<float>(std::rand() % 120 - 60));
            speed = 1.0f;
 
            float vx = std::cos(angle);
            float vy = std::sin(angle);
 
            if (std::abs(vx) < 0.5f) {
                vx = (vx < 0.0f) ? -0.5f : 0.5f;
            }
 
            vx *= (std::rand() % 2 == 0) ? 1.0f : -1.0f;
            velocity = glm::normalize(glm::vec3(vx, vy, 0.0f)) * speed;
        }

update()

void anonymous_namespace{pong.cpp}::Ball::update ( float deltaTime, Paddle & paddle1, Paddle & paddle2, int & score1, int & score2 )

inline

Definition at line 158 of file pong.cpp.

                                                                                                 {
            hitPaddle1 = false;
            hitPaddle2 = false;
            hitWall = false;
 
            const glm::vec3 movement = velocity * deltaTime;
            updateRollingOrientation(movement);
            position += movement;
 
            if (position.y + radius > 1.0f) {
                position.y = 1.0f - radius;
                velocity.y = -velocity.y;
                hitWall = true;
                lastImpactPos = glm::vec3(position.x, 1.0f, 0.0f);
            } else if (position.y - radius < -1.0f) {
                position.y = -1.0f + radius;
                velocity.y = -velocity.y;
                hitWall = true;
                lastImpactPos = glm::vec3(position.x, -1.0f, 0.0f);
            }
 
            handlePaddleCollision(paddle1);
            handlePaddleCollision(paddle2);
 
            if (position.x - radius < -1.8f) {
                ++score2;
                resetBall();
                return;
            }
            if (position.x + radius > 1.8f) {
                ++score1;
                resetBall();
            }
        }

Member Data Documentation

hitPaddle1

bool anonymous_namespace{pong.cpp}::Ball::hitPaddle1 = false

Definition at line 124 of file pong.cpp.

hitPaddle2

bool anonymous_namespace{pong.cpp}::Ball::hitPaddle2 = false

Definition at line 125 of file pong.cpp.

hitWall

bool anonymous_namespace{pong.cpp}::Ball::hitWall = false

Definition at line 126 of file pong.cpp.

lastImpactPos

glm::vec3 anonymous_namespace{pong.cpp}::Ball::lastImpactPos {0.0f}

Definition at line 127 of file pong.cpp.

{0.0f};

position

glm::vec3 anonymous_namespace{pong.cpp}::Ball::position

Definition at line 120 of file pong.cpp.

radius

float anonymous_namespace{pong.cpp}::Ball::radius = 0.05f

Definition at line 122 of file pong.cpp.

rollingOrientation

glm::quat anonymous_namespace{pong.cpp}::Ball::rollingOrientation {1.0f, 0.0f, 0.0f, 0.0f}

Definition at line 128 of file pong.cpp.

{1.0f, 0.0f, 0.0f, 0.0f};

speed

float anonymous_namespace{pong.cpp}::Ball::speed = 1.0f

Definition at line 123 of file pong.cpp.

velocity

glm::vec3 anonymous_namespace{pong.cpp}::Ball::velocity

Definition at line 121 of file pong.cpp.

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The documentation for this class was generated from the following file:

• examples/pong/pong.cpp