Merge branch 'support-code' of github.umn.edu:umn-csci-4611-f21/shared-upstream

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diff --git a/dev/a2-carsoccer/car_soccer.h b/dev/a2-carsoccer/car_soccer.h
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+/** CSci-4611 Assignment 2:  Car Soccer
+ */
+
+#ifndef CAR_SOCCER_H_
+#define CAR_SOCCER_H_
+
+#include <mingfx.h>
+using namespace mingfx;
+
+#include "ball.h"
+#include "car.h"
+
+
+// The main class for the Car Soccer application
+class CarSoccer : public GraphicsApp {
+public:
+    CarSoccer();
+    virtual ~CarSoccer();
+
+    /// Called whenever the mouse moves
+    void OnMouseMove(const Point2& pos, const Vector2& delta);
+
+    /// This is called when special keys like SPACEBAR are pressed
+    void OnSpecialKeyDown(int key, int scancode, int modifiers);
+
+    /// This is called once each frame.  dt is "delta time", the time elapsed
+    /// since the last call.
+    void UpdateSimulation(double dt);
+    
+    /// This is called when it is time to initialize graphics objects, like
+    /// texture files.
+    void InitOpenGL();
+    
+    /// This is called once each frame, and you should draw the scene inside
+    /// this function.
+    void DrawUsingOpenGL();
+    
+    /// This is a little utility function that is helpful.  It treats the
+    /// arrow keys like a joystick and returns the direction you are pressing
+    /// as a 2D vector, taking into account the fact that you might be holding
+    /// down more than one key at a time.
+    Vector2 joystick_direction();
+    
+    // Feel free to add more functions here as needed.
+
+    
+private:
+
+    // Simulation objects/parameters:
+    
+    // We suggest you start with the Car and Ball objects provided, adding new
+    // member variables to those classes if you need to.  You'll probably want
+    // to store some other data for the simulation here too, like some value
+    // for gravity.
+    Car car_;
+    Ball ball_;
+    
+    
+    // Support for drawing some simple shapes:
+    QuickShapes quickShapes_;
+    
+    // Images to use as textures:
+    Texture2D fieldTex_;
+    Texture2D crowdTex_;
+
+    // Control the computer graphics camera (we'll learn about this in a few weeks):
+    Matrix4 modelMatrix_;
+    Matrix4 viewMatrix_;
+    Matrix4 projMatrix_;
+    
+    // A list of paths to search for data files (images):
+    std::vector<std::string> searchPath_;
+    
+    // Set this to true if you want to use the mouse to control the car rather than the keyboard
+    bool use_mouse_;
+
+    // Mouse position in Normalized Device Coordinates, 
+    // meaning -1 to +1 in both X and Y.  (0,0) is the
+    // center of the screen
+    Point2 mouse_pos_;
+};
+
+
+#endif