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render.gd
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render.gd
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extends ColorRect
export var pSize:NodePath
export var pCurl:NodePath
export var pGrad:NodePath
export var pHeat:NodePath
export var pMouse:NodePath
export var pClear:NodePath
var u_size:int = 4
var u_curl:float = 0.1
var u_grad:float = 0.5
var u_heat:float = 0.01
var u_clear:bool = true
var u_mouse_mode:int = 0
var u_mouse_position:Vector2
var u_mouse_pressed:bool
var u_mouse_direction:Vector2
func _ready()->void:
get_node(pSize).value = u_size
get_node(pSize).connect('value_changed', self, 'set_u_size');
get_node(pCurl).value = u_curl
get_node(pCurl).connect('value_changed', self, 'set_u_curl');
get_node(pGrad).value = u_grad
get_node(pGrad).connect('value_changed', self, 'set_u_grad');
get_node(pHeat).value = u_heat
get_node(pHeat).connect('value_changed', self, 'set_u_heat');
(get_node(pMouse) as OptionButton).select(u_mouse_mode);
get_node(pMouse).connect('item_selected', self, 'set_u_mouse');
get_node(pClear).connect('pressed', self, 'on_clear');
func _process(delta: float) -> void:
material.set_shader_param("u_mouse_position", u_mouse_position)
material.set_shader_param("u_mouse_direction", u_mouse_direction)
material.set_shader_param("u_mouse_pressed", u_mouse_pressed)
material.set_shader_param("u_mouse_mode", u_mouse_mode)
material.set_shader_param("u_size", u_size)
material.set_shader_param("u_curl_weight", u_curl)
material.set_shader_param("u_grad_weight", u_grad)
material.set_shader_param("u_heat", u_heat)
material.set_shader_param("u_clear", u_clear)
u_clear = false
func set_u_size(value:float)->void:
u_size = value
func set_u_curl(value:float)->void:
u_curl = value
func set_u_grad(value:float)->void:
u_grad = value
func set_u_heat(value:float)->void:
u_heat = value
func set_u_mouse(value:int)->void:
u_mouse_mode = value
func on_clear()->void:
u_clear = true