Fix examples

examples/core/3d_picking/main.go

@@ -32,7 +32,6 @@ func main() {
 		rl.UpdateCamera(&camera) // Update camera
 
 		if rl.IsMouseButtonPressed(rl.MouseLeftButton) {
-			// NOTE: This function is NOT WORKING properly!
 			ray = rl.GetMouseRay(rl.GetMousePosition(), camera)
 
 			// Check collision between ray and box

examples/core/drop_files/main.go

@@ -35,10 +35,10 @@ func main() {
 					rl.DrawRectangle(0, int32(85+40*i), screenWidth, 40, rl.Fade(rl.LightGray, 0.3))
 				}
 
-				rl.DrawText(droppedFiles[i], 120, int32(100), 10, rl.Gray)
+				rl.DrawText(droppedFiles[i], 120, int32(100+i*40), 10, rl.Gray)
 			}
 
-			rl.DrawText("Drop new files...", 100, int32(150), 20, rl.DarkGray)
+			rl.DrawText("Drop new files...", 100, int32(150+count*40), 20, rl.DarkGray)
 		}
 
 		rl.EndDrawing()

examples/core/mouse_wheel/main.go

@@ -26,7 +26,7 @@ func main() {
 
 		rl.DrawRectangle(screenWidth/2-40, boxPositionY, 80, 80, rl.Maroon)
 
-		rl.DrawText("Use mouse wheel to move the cube up and down!", 10, 10, 20, rl.Gray)
+		rl.DrawText("Use mouse wheel to move the square up and down!", 10, 10, 20, rl.Gray)
 		rl.DrawText(fmt.Sprintf("Box position Y: %d", boxPositionY), 10, 40, 20, rl.LightGray)
 
 		rl.EndDrawing()

examples/core/vr_simulator/main.go

@@ -5,15 +5,11 @@ import (
 )
 
 func main() {
-	screenWidth := int32(1080)
-	screenHeight := int32(600)
-
-	// NOTE: screenWidth/screenHeight should match VR device aspect ratio
-
-	rl.InitWindow(screenWidth, screenHeight, "raylib [core] example - vr simulator")
+	hmd := rl.GetVrDeviceInfo(rl.HmdOculusRiftCv1) // Oculus Rift CV1
+	rl.InitWindow(int32(hmd.HScreenSize), int32(hmd.VScreenSize), "raylib [core] example - vr simulator")
 
 	// NOTE: default device (simulator)
-	rl.InitVrSimulator(rl.GetVrDeviceInfo(rl.HmdOculusRiftCv1)) // Init VR device (Oculus Rift CV1)
+	rl.InitVrSimulator(hmd) // Init VR device
 
 	camera := rl.Camera{}
 	camera.Position = rl.NewVector3(5.0, 2.0, 5.0) // Camera position