Playtest Patterns

Death Heatmap Collection

# Collect and visualize death positions as a heatmap overlay
class_name DeathHeatmap extends Node2D
var _death_positions: Dictionary = {}  # Vector2i -> int (count)

@export var cell_size: int = 16  # Group deaths by cell size (pixels or world units)
@export var max_heat: int = 10   # Deaths at or above this = max color intensity
@export var heat_color_cold: Color = Color(0, 0, 1, 0.3)   # Blue = few deaths
@export var heat_color_hot: Color = Color(1, 0, 0, 0.7)    # Red = many deaths

func record_death(world_position: Vector2) -> void:
    var cell := Vector2i(int(world_position.x / cell_size), int(world_position.y / cell_size))
    _death_positions[cell] = _death_positions.get(cell, 0) + 1
    queue_redraw()
    _save_to_disk()  # Persist across sessions