huskee/Pixelorama
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Fixed problem with drawing and filling gaps, created "shift" in Input Map

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previous_mouse_pos is now used for regular drawing, while previous_mouse_pos_for_lines is used for straight lines
This commit is contained in:
OverloadedOrama 2019-12-15 14:07:28 +02:00
parent f3ab5960ba
commit 00ef80e932
2 changed files with 20 additions and 11 deletions
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26
Scripts/Canvas.gd
View file

@ -12,6 +12,7 @@ var frame_texture_rect : TextureRect
var current_pixel := Vector2.ZERO #pretty much same as mouse_pos, but can be accessed externally
var previous_mouse_pos := Vector2.ZERO
var previous_mouse_pos_for_lines := Vector2.ZERO
var cursor_inside_canvas := false
var previous_action := "None"
var mouse_inside_canvas := false #used for undo
@ -250,7 +251,7 @@ func _process(delta : float) -> void:
line_2d = Line2D.new()
line_2d.width = 0.5
line_2d.default_color = Color.darkgray
line_2d.add_point(previous_mouse_pos)
line_2d.add_point(previous_mouse_pos_for_lines)
line_2d.add_point(mouse_pos)
add_child(line_2d)
is_making_line = true
@ -288,6 +289,9 @@ func _process(delta : float) -> void:
handle_redo("Rectangle Select")
previous_action = current_action
previous_mouse_pos = current_pixel
previous_mouse_pos.x = clamp(previous_mouse_pos.x, location.x, location.x + size.x)
previous_mouse_pos.y = clamp(previous_mouse_pos.y, location.y, location.y + size.y)
if sprite_changed_this_frame:
update_texture(current_layer_index, (Input.is_action_just_released("left_mouse") || Input.is_action_just_released("right_mouse")))
@ -467,16 +471,16 @@ func generate_layer_panels() -> void:
func pencil_and_eraser(mouse_pos : Vector2, color : Color, current_mouse_button : String, current_action := "None") -> void:
if is_making_line:
fill_gaps(mouse_pos, color, current_mouse_button, current_action)
fill_gaps(mouse_pos, previous_mouse_pos_for_lines, color, current_mouse_button, current_action)
else:
if point_in_rectangle(mouse_pos, location, location + size):
mouse_inside_canvas = true
#Draw
draw_pixel(mouse_pos, color, current_mouse_button, current_action)
fill_gaps(mouse_pos, color, current_mouse_button, current_action) #Fill the gaps
fill_gaps(mouse_pos, previous_mouse_pos, color, current_mouse_button, current_action) #Fill the gaps
#If mouse is not inside bounds but it used to be, fill the gaps
elif point_in_rectangle(previous_mouse_pos, location, location + size):
fill_gaps(mouse_pos, color, current_mouse_button, current_action)
fill_gaps(mouse_pos, previous_mouse_pos, color, current_mouse_button, current_action)
func draw_pixel(pos : Vector2, color : Color, current_mouse_button : String, current_action := "None") -> void:
if Global.can_draw && Global.has_focus && Global.current_frame == frame:
@ -621,7 +625,7 @@ func draw_pixel(pos : Vector2, color : Color, current_mouse_button : String, cur
mirror_x -= 1
if int(pos_rect_clipped.size.y) % 2 != 0:
mirror_y -= 1
# Use custom blend function cause of godot's issue #31124
# Use custom blend function cause of godot's issue #31124
if color.a > 0: #If it's the pencil
blend_rect(layers[current_layer_index][0], custom_brush_image, src_rect, dst)
if horizontal_mirror:
@ -649,16 +653,16 @@ func draw_pixel(pos : Vector2, color : Color, current_mouse_button : String, cur
layers[current_layer_index][0].lock()
sprite_changed_this_frame = true
previous_mouse_pos = current_pixel
previous_mouse_pos.x = clamp(previous_mouse_pos.x, location.x, location.x + size.x)
previous_mouse_pos.y = clamp(previous_mouse_pos.y, location.y, location.y + size.y)
previous_mouse_pos_for_lines = current_pixel
previous_mouse_pos_for_lines.x = clamp(previous_mouse_pos_for_lines.x, location.x, location.x + size.x)
previous_mouse_pos_for_lines.y = clamp(previous_mouse_pos_for_lines.y, location.y, location.y + size.y)
if is_making_line:
line_2d.set_point_position(0, previous_mouse_pos)
line_2d.set_point_position(0, previous_mouse_pos_for_lines)
#Bresenham's Algorithm
#Thanks to https://godotengine.org/qa/35276/tile-based-line-drawing-algorithm-efficiency
func fill_gaps(mouse_pos : Vector2, color : Color, current_mouse_button : String, current_action := "None") -> void:
var previous_mouse_pos_floored = previous_mouse_pos.floor()
func fill_gaps(mouse_pos : Vector2, prev_mouse_pos : Vector2, color : Color, current_mouse_button : String, current_action := "None") -> void:
var previous_mouse_pos_floored = prev_mouse_pos.floor()
var mouse_pos_floored = mouse_pos.floor()
mouse_pos_floored.x = clamp(mouse_pos_floored.x, location.x - 1, location.x + size.x)
mouse_pos_floored.y = clamp(mouse_pos_floored.y, location.y - 1, location.y + size.y)

5
project.godot
View file

@ -179,6 +179,11 @@ right_colorpicker_tool={
"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":true,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":79,"unicode":0,"echo":false,"script":null)
]
}
shift={
"deadzone": 0.5,
"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777237,"unicode":0,"echo":false,"script":null)
]
}
[locale]