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Added alpha effect to joypad axis indicators

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Added alpha effect to joypad demo's axis and analog trigger indicators via the CanvasItem's self modulate property.
This commit is contained in:
ScorpionInc
2022-02-23 15:02:41 +01:00
committed by GitHub
parent 58c337c33c
commit 07d6c311d7
1 changed files with 22 additions and 2 deletions
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24
misc/joypads/joypads.gd
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@@ -41,6 +41,8 @@ func _process(_delta):
axis_value = Input.get_joy_axis(joy_num, axis)
axes.get_node("Axis" + str(axis) + "/ProgressBar").set_value(100 * axis_value)
axes.get_node("Axis" + str(axis) + "/ProgressBar/Value").set_text(str(axis_value))
# Scaled value used for alpha channel using valid range rather than including unusable deadzone values.
var scaled_alpha_value = (abs(axis_value) - DEADZONE) / (1.0 - DEADZONE)
# Show joypad direction indicators
if axis <= JOY_ANALOG_RY:
if abs(axis_value) < DEADZONE:
@@ -49,19 +51,37 @@ func _process(_delta):
elif axis_value > 0:
joypad_axes.get_node(str(axis) + "+").show()
joypad_axes.get_node(str(axis) + "-").hide()
# Transparent white modulate, non-alpha color channels are not changed here.
joypad_axes.get_node(str(axis) + "+").self_modulate.a = scaled_alpha_value
else:
joypad_axes.get_node(str(axis) + "+").hide()
joypad_axes.get_node(str(axis) + "-").show()
# Transparent white modulate, non-alpha color channels are not changed here.
joypad_axes.get_node(str(axis) + "-").self_modulate.a = scaled_alpha_value
elif axis == JOY_ANALOG_L2:
if axis_value <= DEADZONE:
joypad_buttons.get_child(JOY_ANALOG_L2).hide()
else:
joypad_buttons.get_child(JOY_ANALOG_L2).show()
# Transparent white modulate, non-alpha color channels are not changed here.
joypad_buttons.get_child(JOY_ANALOG_L2).self_modulate.a = scaled_alpha_value
elif axis == JOY_ANALOG_R2:
if axis_value <= DEADZONE:
joypad_buttons.get_child(JOY_ANALOG_R2).hide()
else:
joypad_buttons.get_child(JOY_ANALOG_R2).show()
# Transparent white modulate, non-alpha color channels are not changed here.
joypad_buttons.get_child(JOY_ANALOG_R2).self_modulate.a = scaled_alpha_value
# Loop through the buttons and highlight the ones that are pressed.
for btn in range(JOY_BUTTON_0, int(min(JOY_BUTTON_MAX, 24))):
if Input.is_joy_button_pressed(joy_num, btn):
button_grid.get_child(btn).add_color_override("font_color", Color.white)
if btn < 17:
if btn < 17 and btn != JOY_ANALOG_L2 and btn != JOY_ANALOG_R2:
joypad_buttons.get_child(btn).show()
else:
button_grid.get_child(btn).add_color_override("font_color", Color(0.2, 0.1, 0.3, 1))
if btn < 17:
if btn < 17 and btn != JOY_ANALOG_L2 and btn != JOY_ANALOG_R2:
joypad_buttons.get_child(btn).hide()