diff options
Diffstat (limited to 'addons/escoria-wizard/draw_frame_rects.gd')
| -rw-r--r-- | addons/escoria-wizard/draw_frame_rects.gd | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/addons/escoria-wizard/draw_frame_rects.gd b/addons/escoria-wizard/draw_frame_rects.gd new file mode 100644 index 0000000..5d1ddc1 --- /dev/null +++ b/addons/escoria-wizard/draw_frame_rects.gd @@ -0,0 +1,44 @@ +@tool +extends Control + +const grid_colour = Color.BROWN +const highlight_colour = Color.GOLD #fuchsia + +# Number of rows to break the spritesheet into +@export var total_num_rows:int +# Number of columns to break the spritesheet into +@export var total_num_columns:int +# First animation cell. Boxes will be drawn around every cell from the start_cell to end_cell. +@export var start_cell:int +# Last animation cell. Boxes will be drawn around every cell from the start_cell to end_cell. +@export var end_cell:int +# The size of each animation cell in pixels. +@export var cell_size:Vector2 +# Zoom factor +@export var zoom_factor:float + +# This function will calculate where on the spritesheet the start and end frames for an animation +# are, and draw boxes around all used frames. The visual indicator makes frame selection easier. +func _draw() -> void: + if start_cell > 0: + # Draw grid for all frames in the spritesheet + for yloop in range(total_num_rows): + for xloop in range(total_num_columns): + var corner1 = Vector2(xloop * cell_size.x, yloop * cell_size.y) + var corner2 = Vector2(corner1.x + cell_size.x, corner1.y + cell_size.y) + draw_line(Vector2(corner1.x * zoom_factor, corner1.y * zoom_factor), Vector2(corner2.x * zoom_factor, corner1.y * zoom_factor), grid_colour, 2.0) + draw_line(Vector2(corner1.x * zoom_factor, corner1.y * zoom_factor), Vector2(corner1.x * zoom_factor, corner2.y * zoom_factor), grid_colour, 2.0) + draw_line(Vector2(corner1.x * zoom_factor, corner2.y * zoom_factor), Vector2(corner2.x * zoom_factor, corner2.y * zoom_factor), grid_colour, 2.0) + draw_line(Vector2(corner2.x * zoom_factor, corner1.y * zoom_factor), Vector2(corner2.x * zoom_factor, corner2.y * zoom_factor), grid_colour, 2.0) + + # Highlight selected frames in the spritesheet + for loop in range(end_cell - start_cell + 1): + var current_cell = start_cell + loop + var frame_row = (current_cell - 1) / total_num_columns + var frame_column = (current_cell - 1) % total_num_columns + var corner1 = Vector2(frame_column * cell_size.x, frame_row * cell_size.y) + var corner2 = Vector2(corner1.x + cell_size.x, corner1.y + cell_size.y) + draw_line(Vector2(corner1.x * zoom_factor, corner1.y * zoom_factor), Vector2(corner2.x * zoom_factor, corner1.y * zoom_factor), highlight_colour, 2.0) + draw_line(Vector2(corner1.x * zoom_factor, corner1.y * zoom_factor), Vector2(corner1.x * zoom_factor, corner2.y * zoom_factor), highlight_colour, 2.0) + draw_line(Vector2(corner1.x * zoom_factor, corner2.y * zoom_factor), Vector2(corner2.x * zoom_factor, corner2.y * zoom_factor), highlight_colour, 2.0) + draw_line(Vector2(corner2.x * zoom_factor, corner1.y * zoom_factor), Vector2(corner2.x * zoom_factor, corner2.y * zoom_factor), highlight_colour, 2.0) |