1 files changed, 17 insertions, 1 deletions
diff --git a/Player.cpp b/Player.cpp
index 4e13ad0..94371c1 100644
--- a/Player.cpp
+++ b/Player.cpp
@@ -13,6 +13,7 @@ static constexpr float MAX_SPEED {180};
 static constexpr float DAMP {2200};
 static constexpr float MARGIN {0.3f};
 static constexpr float HIT_INVUL {1.2f};
+static constexpr float RADIUS {4};
 
 
 static float damped_velocity(float dt, float direction, float velocity);
@@ -22,6 +23,7 @@ Player::Player() :
     m_invulnerability {HIT_INVUL / 2.f},
     m_position {400, 450},
     m_velocity {0, 0},
+    m_playground {0, 0, 800, 600},
     m_controller {std::make_unique<KeyboardController>()}
 {
 }
@@ -35,6 +37,20 @@ Player::update(const float dt)
     m_velocity.y = std::clamp(damped_velocity(dt, direction.y, m_velocity.y), -MAX_SPEED, MAX_SPEED);
     m_position.x += m_velocity.x * dt;
     m_position.y += m_velocity.y * dt;
+    if (m_position.y < m_playground.y + RADIUS || m_position.y > m_playground.y + m_playground.height - RADIUS) {
+        m_position.y =
+            m_position.y < m_playground.y + m_playground.height / 2 ?
+            m_playground.y + RADIUS :
+            m_playground.y + m_playground.height - RADIUS;
+        m_velocity.y = 0;
+    }
+    if (m_position.x < m_playground.x + RADIUS || m_position.x > m_playground.x + m_playground.width - RADIUS) {
+        m_position.x =
+            m_position.x < m_playground.x + m_playground.width / 2 ?
+            m_playground.x + RADIUS :
+            m_playground.x + m_playground.width - RADIUS;
+        m_velocity.x = 0;
+    }
     m_invulnerability -= dt;
 }
 
@@ -42,7 +58,7 @@ Player::update(const float dt)
 void
 Player::draw()
 {
-    DrawCircle(m_position.x, m_position.y, 4, m_invulnerability > 0 ? RED : LIGHTGRAY);
+    DrawCircle(m_position.x, m_position.y, RADIUS, m_invulnerability > 0 ? RED : LIGHTGRAY);
 }