début frustrum

enginecustom/Positionclass.cpp

@@ -0,0 +1,96 @@
+#include "Positionclass.h"
+
+PositionClass::PositionClass()
+{
+    m_frameTime = 0.0f;
+    m_rotationY = 0.0f;
+    m_leftTurnSpeed = 0.0f;
+    m_rightTurnSpeed = 0.0f;
+}
+
+
+PositionClass::PositionClass(const PositionClass& other)
+{
+}
+
+
+PositionClass::~PositionClass()
+{
+}
+
+void PositionClass::SetFrameTime(float time)
+{
+    m_frameTime = time;
+    return;
+}
+
+void PositionClass::GetRotation(float& y)
+{
+    y = m_rotationY;
+    return;
+}
+
+void PositionClass::TurnLeft(bool keydown)
+{
+    // If the key is pressed increase the speed at which the camera turns left.  If not slow down the turn speed.
+    if (keydown)
+    {
+        m_leftTurnSpeed += m_frameTime * 1.5f;
+
+        if (m_leftTurnSpeed > (m_frameTime * 200.0f))
+        {
+            m_leftTurnSpeed = m_frameTime * 200.0f;
+        }
+    }
+    else
+    {
+        m_leftTurnSpeed -= m_frameTime * 1.0f;
+
+        if (m_leftTurnSpeed < 0.0f)
+        {
+            m_leftTurnSpeed = 0.0f;
+        }
+    }
+
+    // Update the rotation using the turning speed.
+    m_rotationY -= m_leftTurnSpeed;
+    if (m_rotationY < 0.0f)
+    {
+        m_rotationY += 360.0f;
+    }
+
+    return;
+}
+
+
+void PositionClass::TurnRight(bool keydown)
+{
+    // If the key is pressed increase the speed at which the camera turns right.  If not slow down the turn speed.
+    if (keydown)
+    {
+        m_rightTurnSpeed += m_frameTime * 1.5f;
+
+        if (m_rightTurnSpeed > (m_frameTime * 200.0f))
+        {
+            m_rightTurnSpeed = m_frameTime * 200.0f;
+        }
+    }
+    else
+    {
+        m_rightTurnSpeed -= m_frameTime * 1.0f;
+
+        if (m_rightTurnSpeed < 0.0f)
+        {
+            m_rightTurnSpeed = 0.0f;
+        }
+    }
+
+    // Update the rotation using the turning speed.
+    m_rotationY += m_rightTurnSpeed;
+    if (m_rotationY > 360.0f)
+    {
+        m_rotationY -= 360.0f;
+    }
+
+    return;
+}