feat: mouse can control the world view

3 files changed, 18 insertions, 6 deletions

diff --git a/src/main.c b/src/main.c
index 897c49b..be9a05e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,6 +5,7 @@
 #include "time.h"
 
 int main(int argc, char *argv[]) {
+  bool mouse_control = false;
   srand(time(0));
 
   InitWindow(800, 600, "hyperspace (demo)");
@@ -31,13 +32,27 @@ int main(int argc, char *argv[]) {
         star->position = Generate3DPosition();
       }
 
-      StarUpdate(star);
+      float screen_center_x =
+          mouse_control ? GetMouseX() : GetScreenWidth() / 2.0;
+      float screen_center_y =
+          mouse_control ? GetMouseY() : GetScreenHeight() / 2.0;
+
+      StarUpdate(star, screen_center_x, screen_center_y);
 
       DrawRectangle(star->renderPosition.x, star->renderPosition.y,
                     star->size.x, star->size.y, star->color);
     }
 
     EndDrawing();
+
+    // Listening for input
+    if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
+      mouse_control = !mouse_control;
+      if (mouse_control)
+        HideCursor();
+      else
+        ShowCursor();
+    }
   }
 
   return 0;
diff --git a/src/star.c b/src/star.c
index a92e63f..24d2dd0 100644
--- a/src/star.c
+++ b/src/star.c
@@ -31,10 +31,7 @@ Star StarCreate() {
   return (Star){Generate3DPosition(), {1, 1}, {0, 0}, velocity, BLACK};
 }
 
-void StarUpdate(Star *star) {
-  float screen_center_x = GetScreenWidth() / 2.0;
-  float screen_center_y = GetScreenHeight() / 2.0;
-
+void StarUpdate(Star *star, float screen_center_x, float screen_center_y) {
   float x = star->position.x / star->position.z + screen_center_x;
   float y = star->position.y / star->position.z + screen_center_y;
 
diff --git a/src/star.h b/src/star.h
index db34db6..7de8e8e 100644
--- a/src/star.h
+++ b/src/star.h
@@ -8,6 +8,6 @@ typedef struct Star {
 } Star;
 
 Star StarCreate();
-void StarUpdate(Star *star);
+void StarUpdate(Star *star, float screen_center_x, float screen_center_y);
 
 Vector3 Generate3DPosition();