Extract Config

src/Config.h

@@ -0,0 +1,17 @@
+#ifndef CONFIG_H
+#define CONFIG_H 
+
+#define WORLD_GRAVITY 0.05
+
+#define WORLD_FLOOR_HEIGHT -0.9
+#define WORLD_FLOOR_COLOR 0.15, 0.05, 0.05
+
+#define PLAYER_JUMP_TIMEOUT 0.14
+#define PLAYER_JUMP_FORCE 0.3
+#define PLAYER_DRAG 0.98
+#define PLAYER_RADIUS 0.02
+#define PLAYER_COLOR 1.0, 1.0, 1.0
+
+#define BACKGROUND_COLOR 0.05, 0.05, 0.05, 1.0
+
+#endif /* CONFIG_H */

src/hophop.cpp

@@ -1,69 +1,17 @@
 #define OSH_H_IMPLEMENTATION
 #include "osh.h"
+#include "Config.h"
+#include "Vector.h"
 
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 
-#define GRAVITY 0.05
-#define FLOOR_HEIGHT -0.9
-#define JUMP_TIMEOUT 0.14
-#define JUMP_FORCE 0.3
-#define DRAG 0.98
-#define PLAYER_RADIUS 0.02
-
-#define PLAYER_COLOR 1.0, 1.0, 1.0
-#define FLOOR_COLOR 0.15, 0.05, 0.05
-#define BACKGROUND_COLOR 0.05, 0.05, 0.05, 1.0
 
 void onError(const int error, const char* description) {
     (void) error;
     osh::panic("GLFW error:", description);
 }
 
-struct Vector2 {
-    double x, y;
-
-    Vector2(double x = 0, double y = 0) : x(x), y(y) {}
-
-    Vector2 conjugate() {
-        return {x, -y};
-    }
-    
-    Vector2 operator*(double d) {
-        return {x*d, y*d};
-    }
-
-    Vector2 operator*=(double d) {
-        x *= d;
-        y *= d;
-        return *this;
-    }
-
-    Vector2 operator+(Vector2 v) {
-        return {x+v.x, y+v.y};
-    }
-
-    Vector2 operator+=(Vector2 v) {
-        x += v.x;
-        y += v.y;
-        return *this;
-    }
-
-    Vector2 operator-(Vector2 v) {
-        return {x-v.x, y-v.y};
-    }
-
-    Vector2 operator-=(Vector2 v) {
-        x -= v.x;
-        y -= v.y;
-        return *this;
-    }
-};
-
-void print1(osh::Formatter auto& fmt, const Vector2& v) {
-    osh::printp(fmt, '(', v.x, ", ", v.y, ')');
-}
-
 void onResize(GLFWwindow* window, int width, int height) {
         glfwGetFramebufferSize(window, &width, &height);
         glViewport(0, 0, width, height);
@@ -104,22 +52,22 @@ struct Player {
     }
 
     void jump() {
-        vel.y = JUMP_FORCE;
-        jumpTimeout = JUMP_TIMEOUT;
+        vel.y = PLAYER_JUMP_FORCE;
+        jumpTimeout = PLAYER_JUMP_TIMEOUT;
     }
 
     void update(double dt) {
         if (jumpTimeout > 0) {
-            push({0, JUMP_FORCE});
+            push({0, PLAYER_JUMP_FORCE});
             jumpTimeout -= dt;
         }
 
         vel += acc;
-        vel *= DRAG;
+        vel *= PLAYER_DRAG;
         acc = {0, 0};
 
         pos += vel * dt;
-        pos.y = osh::max(pos.y, FLOOR_HEIGHT + size.y);
+        pos.y = osh::max(pos.y, WORLD_FLOOR_HEIGHT + size.y);
     }
 
     void draw() {
@@ -173,13 +121,13 @@ int main(void) {
         glClearColor(BACKGROUND_COLOR);
         glClear(GL_COLOR_BUFFER_BIT);
 
-        player.push({0, -GRAVITY});
+        player.push({0, -WORLD_GRAVITY});
         player.update(dt);
 
         player.draw();
 
-        glColor3d(FLOOR_COLOR);
-        fillRect({ -1, FLOOR_HEIGHT }, {2, 2});
+        glColor3d(WORLD_FLOOR_COLOR);
+        fillRect({ -1, WORLD_FLOOR_HEIGHT}, {2, 2});
 
         glfwSwapBuffers(window);
         last = now;