40 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			40 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
|  | from lnx.logicnode.lnx_nodes import * | ||
|  | 
 | ||
|  | 
 | ||
|  | class DrawCurveNode(LnxLogicTreeNode): | ||
|  |     """Draws a cubic bezier curve with two control points.
 | ||
|  | 
 | ||
|  |     @input Draw: Activate to draw the curve on this frame. The input must | ||
|  |         be (indirectly) called from an `On Render2D` node. | ||
|  |     @input Color: The color of the curve. | ||
|  |     @input Strength: The line strength. | ||
|  |     @input Segments: How many line segments should be used to draw the curve. | ||
|  |     @input Start Point X/Y: The position of starting point of the curve, in pixels from the top left corner. | ||
|  |     @input Control Point 1/2 X/Y: The position of control points of the curve, in pixels from the top left corner. | ||
|  |     @input End Point X/Y: The position of end point of the curve, in pixels from the top left corner. | ||
|  | 
 | ||
|  |     @output Out: Activated after the curve has been drawn. | ||
|  | 
 | ||
|  |     @see [`kha.graphics2.GraphicsExtension.drawCubicBezier()`](http://kha.tech/api/kha/graphics2/GraphicsExtension.html#drawCubicBezier). | ||
|  |     """
 | ||
|  |     bl_idname = 'LNDrawCurveNode' | ||
|  |     bl_label = 'Draw Curve' | ||
|  |     lnx_section = 'draw' | ||
|  |     lnx_version = 1 | ||
|  | 
 | ||
|  |     def lnx_init(self, context): | ||
|  |         self.add_input('LnxNodeSocketAction', 'Draw') | ||
|  |         self.add_input('LnxColorSocket', 'Color', default_value=[1.0, 1.0, 1.0, 1.0]) | ||
|  |         self.add_input('LnxFloatSocket', 'Strength', default_value=1.0) | ||
|  |         self.add_input('LnxIntSocket', 'Segments', default_value=20) | ||
|  |         self.add_input('LnxFloatSocket', 'Start Point X') | ||
|  |         self.add_input('LnxFloatSocket', 'Start Point Y') | ||
|  |         self.add_input('LnxFloatSocket', 'Control Point 1 X') | ||
|  |         self.add_input('LnxFloatSocket', 'Control Point 1 Y') | ||
|  |         self.add_input('LnxFloatSocket', 'Control Point 2 X') | ||
|  |         self.add_input('LnxFloatSocket', 'Control Point 2 Y') | ||
|  |         self.add_input('LnxFloatSocket', 'End Point X') | ||
|  |         self.add_input('LnxFloatSocket', 'End Point Y') | ||
|  | 
 | ||
|  |         self.add_output('LnxNodeSocketAction', 'Out') |