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Fix error in 03_mouse_move_paint_app sample #171

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Fix error in 03_mouse_move_paint_app sample #171

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c0c2a19
Fix error in 03_mouse_move_paint_app sample
Lyniat Nov 22, 2025
342ba82
Remove unnecessary code in 03_mouse_move_paint_app sample
Lyniat Nov 22, 2025
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17 changes: 8 additions & 9 deletions samples/05_mouse/03_mouse_move_paint_app/app/main.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,9 @@
In this sample app, new_entity is used to create a new button that clears the grid.
(Remember, you can use state to define ANY property and it will be retained across frames.)

- args.inputs.mouse.click.point.(x|y): The x and y location of the mouse.
- args.inputs.mouse.click.(x|y): The x and y location of the mouse.

- args.inputs.mouse.click.point.created_at: The frame the mouse click occurred in.
- args.inputs.mouse.click.created_at: The frame the mouse click occurred in.

- args.outputs.labels: An array. The values in the array generate a label.
The parameters are [X, Y, TEXT, SIZE, ALIGN, RED, GREEN, BLUE, ALPHA, FONT STYLE]
Expand Down Expand Up @@ -138,17 +138,17 @@ def check_click

if state.mouse_held && # mouse needs to be down
!inputs.mouse.click && # must not be first click
((inputs.mouse.previous_click.point.x - inputs.mouse.position.x).abs > 15) # Need to move 15 pixels before "drag"
((inputs.mouse.previous_click.x - inputs.mouse.x).abs > 15) # Need to move 15 pixels before "drag"
state.mouse_dragging = true
end

# If the user clicks their mouse inside the grid, the search_lines method is called with a click input type.
if ((inputs.mouse.click) && (inputs.mouse.click.point.inside_rect? state.grid_border))
search_lines(inputs.mouse.click.point, :click)
if ((inputs.mouse.click) && (inputs.mouse.click.inside_rect? state.grid_border))
search_lines(inputs.mouse.click, :click)

# If the user drags their mouse inside the grid, the search_lines method is called with a drag input type.
elsif ((state.mouse_dragging) && (inputs.mouse.position.inside_rect? state.grid_border))
search_lines(inputs.mouse.position, :drag)
elsif ((state.mouse_dragging) && (inputs.mouse.inside_rect? state.grid_border))
search_lines(inputs.mouse, :drag)
end
end

Expand Down Expand Up @@ -195,10 +195,9 @@ def draw_buttons

# If the mouse is clicked inside the borders of the clear button,
# the filled_squares collection is emptied and the squares are cleared.
if inputs.mouse.click && inputs.mouse.click.point.inside_rect?(state.clear_button.border)
if inputs.mouse.click && inputs.mouse.click.inside_rect?(state.clear_button.border)
state.clear_button.clicked_at = inputs.mouse.click.created_at # time (frame) the click occurred
state.filled_squares.clear
inputs.mouse.previous_click = nil
end

outputs.labels << state.clear_button.label
Expand Down