Initial commit

examples/core/3d_camera_free/main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"github.com/gen2brain/raylib-go/raylib"
+)
+
+func main() {
+	raylib.InitWindow(800, 450, "raylib [core] example - 3d camera free")
+
+	camera := raylib.Camera{}
+	camera.Position = raylib.NewVector3(10.0, 10.0, 10.0)
+	camera.Target = raylib.NewVector3(0.0, 0.0, 0.0)
+	camera.Up = raylib.NewVector3(0.0, 1.0, 0.0)
+	camera.Fovy = 45.0
+
+	cubePosition := raylib.NewVector3(0.0, 0.0, 0.0)
+
+	raylib.SetCameraMode(camera, raylib.CameraFree) // Set a free camera mode
+
+	raylib.SetTargetFPS(60)
+
+	for !raylib.WindowShouldClose() {
+		raylib.UpdateCamera(&camera) // Update camera
+
+		if raylib.IsKeyDown(raylib.KeyZ) {
+			camera.Target = raylib.NewVector3(0.0, 0.0, 0.0)
+		}
+
+		raylib.BeginDrawing()
+
+		raylib.ClearBackground(raylib.RayWhite)
+
+		raylib.Begin3dMode(camera)
+
+		raylib.DrawCube(cubePosition, 2.0, 2.0, 2.0, raylib.Red)
+		raylib.DrawCubeWires(cubePosition, 2.0, 2.0, 2.0, raylib.Maroon)
+
+		raylib.DrawGrid(10, 1.0)
+
+		raylib.End3dMode()
+
+		raylib.DrawRectangle(10, 10, 320, 133, raylib.Fade(raylib.SkyBlue, 0.5))
+		raylib.DrawRectangleLines(10, 10, 320, 133, raylib.Blue)
+
+		raylib.DrawText("Free camera default controls:", 20, 20, 10, raylib.Black)
+		raylib.DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, raylib.DarkGray)
+		raylib.DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, raylib.DarkGray)
+		raylib.DrawText("- Alt + Mouse Wheel Pressed to Rotate", 40, 80, 10, raylib.DarkGray)
+		raylib.DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, raylib.DarkGray)
+		raylib.DrawText("- Z to zoom to (0, 0, 0)", 40, 120, 10, raylib.DarkGray)
+
+		raylib.EndDrawing()
+	}
+
+	raylib.CloseWindow()
+}