added minecraft basic sample

Author: AlmasB

fxgl-samples/src/main/java/sandbox/test3d/MinecraftSample.java

@@ -0,0 +1,70 @@
+/*
+ * FXGL - JavaFX Game Library. The MIT License (MIT).
+ * Copyright (c) AlmasB ([email protected]).
+ * See LICENSE for details.
+ */
+
+package sandbox.test3d;
+
+import com.almasb.fxgl.app.GameApplication;
+import com.almasb.fxgl.app.GameSettings;
+import com.almasb.fxgl.app.scene.Camera3D;
+import com.almasb.fxgl.entity.Entity;
+import com.almasb.fxgl.scene3d.Cuboid;
+import javafx.geometry.Point3D;
+import javafx.scene.input.KeyCode;
+import javafx.scene.input.MouseButton;
+import javafx.scene.paint.Color;
+
+import static com.almasb.fxgl.dsl.FXGL.*;
+import static java.lang.Math.*;
+
+/**
+ * @author Almas Baimagambetov ([email protected])
+ */
+public class MinecraftSample extends GameApplication {
+
+    private Camera3D camera3D;
+
+    @Override
+    protected void initSettings(GameSettings settings) {
+        settings.setWidth(1280);
+        settings.setHeight(720);
+        settings.set3D(true);
+    }
+
+    @Override
+    protected void initInput() {
+        onKey(KeyCode.W, () -> camera3D.moveForward());
+        onKey(KeyCode.S, () -> camera3D.moveBack());
+        onKey(KeyCode.A, () -> camera3D.moveLeft());
+        onKey(KeyCode.D, () -> camera3D.moveRight());
+        onKey(KeyCode.L, () -> getGameController().exit());
+
+        onBtnDown(MouseButton.PRIMARY, () -> {
+            var pos = camera3D.getTransform().getPosition3D().add(camera3D.getTransform().getDirection3D().multiply(1.5));
+
+            spawnCube(new Point3D(round(pos.getX()), round(pos.getY()), round(pos.getZ())));
+        });
+    }
+
+    @Override
+    protected void initGame() {
+        camera3D = getGameScene().getCamera3D();
+
+        getGameScene().setBackgroundColor(Color.LIGHTBLUE.darker());
+        getGameScene().setFPSCamera(true);
+        getGameScene().setCursorInvisible();
+    }
+
+    private Entity spawnCube(Point3D pos) {
+        return entityBuilder()
+                .at(pos)
+                .view(new Cuboid(1, 1, 1))
+                .buildAndAttach();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}