How do I make blocks I can place and break?
I want a building system where the player can place and break blocks like in a sandbox game. How do I add that?
Category: Features
Answer from Cinevva Team ✓ Accepted
Describe the build and break actions and the assistant can add them: "let the player place a block where they're aiming on left click and break the block they're looking at on right click, snapped to a grid." Mention the grid size and whether blocks should be solid so the player can stand on them. If you want different block types, ask for a simple hotbar to pick which block to place.
Answer from Waylen Whitmire
ask the ai
Answer from apolorulz10
ask the ai
Answer from njdewitt13
Step-by-Step Implementation Guide1. Prompting the AI Creator for the System
Instead of coding raycasts and grid snapping from scratch, describe the complete loop to the Cinevva creator model. Open your project assistant and use a comprehensive prompt like this:
"Add a Minecraft-style sandbox building system. Players should be able to look at the world with a crosshair, left-click to destroy/remove the targeted block, and right-click to place a new block on a grid snap. Include a simple hotbar UI at the bottom to select between 3 different block types (e.g., Dirt, Stone, Wood)."
- What the AI Will Typically Set Up Behind the Scenes
When you ask for a block building and destruction loop, the engine's specialized logic models will normally generate three core components:
Raycasting & Target Detection: A script attached to the player or camera that fires a ray forward to detect which block surface the player is looking at.
Grid Snapping Matrix: Math functions that round collision coordinates to the nearest whole integer (e.g., rounding X: 1.2, Y: 3.8, Z: 2.1 to 1, 4, 2) so blocks align neatly instead of overlapping or floating freely.
Instantiation & Destruction Logic:
Breaking: Removing the target object reference from the scene array and destroying the GameObject.
Placing: Instantiating a prefab block data at the offset position adjacent to the face the player clicked.
Key Settings to Fine-Tune
Once the system is generated, test it in your browser preview and check for these common adjustments:
Reach Distance: Ensure the raycast maximum distance isn't too short or too long (typically set between 4.0 and 6.0 units).
Collision Layering: Make sure your placement blocks exist on a specific physics layer so players don't accidentally spawn blocks inside their own character collider.
UI Hotbar Binding: Link your number keys (1, 2, 3) to switch the active block material string or ID smoothly.
Answer from ميمو عابر
صح