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Merge pull request #3 from SoloByte/point-fracture
Point fracture
2 parents 3196cb6 + 9de2aad commit e7741ab

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‎LICENSE

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MIT License
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Copyright (c) 2021 Dave G
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Copyright (c) 2021 David Grueneis
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal

‎demo/src/Arrow.tscn

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[gd_scene format=2]
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[node name="Arrow" type="Polygon2D"]
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color = Color( 1, 1, 1, 0.392157 )
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polygon = PoolVector2Array( 0, 0, 0, -32, 96, 0, 0, 32 )
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[node name="Line2D" type="Line2D" parent="."]
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points = PoolVector2Array( 0, -32, 96, 0, 0, 32, 0, -32 )
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default_color = Color( 1, 1, 1, 1 )
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joint_mode = 2
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begin_cap_mode = 2
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end_cap_mode = 2

‎demo/src/CutFracture.gd

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# MIT License
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# -----------------------------------------------------------------------
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# This file is part of:
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# GODOT Polygon 2D Fracture
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# https://github.com/SoloByte/godot-polygon2d-fracture
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# -----------------------------------------------------------------------
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# Copyright (c) 2021 David Grueneis
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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const CUT_LINE_POINT_MIN_DISTANCE : float = 40.0 #distance before new point is added (the smaller the more detailed is the visual line (not the cut line)
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const CUT_LINE_STATIONARY_DELAY : float = 0.1 #after that amount of seconds remaining stationary will end the cut line process and cut the sources
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const CUT_LINE_DIRECTION_THRESHOLD : float = -0.7 #smaller than treshold will end the cut line process and cut the sources (start_dir.dot(cur_dir) < threshold = endLine)
@@ -24,7 +53,6 @@ onready var polyFracture := PolygonFracture.new()
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onready var _source_polygon_parent := $SourcePolygons
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onready var _rng := RandomNumberGenerator.new()
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onready var _cut_shape : PoolVector2Array = PolygonLib.createCirclePolygon(100.0, 1)
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onready var _slowmo_timer := $SlowMoTimer
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onready var _cut_line := $CutLine
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onready var _pool_cut_visualizer := $Pool_CutVisualizer
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onready var _pool_fracture_shards := $Pool_FractureShards
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_cut_line_enabled = true
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#func _exit_tree() -> void:
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# _pool_cut_visualizer.clearPoolInstant()
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# _pool_fracture_shards.clearPoolInstant()
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@@ -186,9 +209,9 @@ func simpleCut(pos : Vector2) -> void:
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func cutSourcePolygons(cut_pos : Vector2, cut_shape : PoolVector2Array, cut_rot : float, cut_force : float = 0.0, fade_speed : float = 2.0) -> void:
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# var instance = _pool_cut_visualizer.getInstance()
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# instance.spawn(cut_pos, fade_speed)
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# instance.setPolygon(cut_shape)
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var instance = _pool_cut_visualizer.getInstance()
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instance.spawn(cut_pos, fade_speed)
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instance.setPolygon(cut_shape)
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for source in _source_polygon_parent.get_children():
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var source_polygon : PoolVector2Array = source.get_polygon()
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instance.global_rotation = shape_info.spawn_rot
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instance.set_polygon(shape_info.centered_shape)
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instance.modulate = color
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instance.linear_velocity = lin_vel# + (spawn_pos - cut_pos).normalized() * 50
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instance.linear_velocity = lin_vel
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instance.angular_velocity = ang_vel
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instance.mass = mass
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instance.setTexture(PolygonLib.setTextureOffset(texture_info, shape_info.centroid))
@@ -257,26 +280,3 @@ func spawnFractureBody(fracture_shard : Dictionary, texture_info : Dictionary, n
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instance.setMass(new_mass)
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instance.addForce(dir * 500.0)
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instance.addTorque(_rng.randf_range(-2, 2))
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#fracture body variant
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# instance.spawn(fracture_shard.spawn_pos)
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# instance.global_rotation = fracture_shard.spawn_rot
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#
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# if instance.has_method("setPolygon"):
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# var s : Vector2 = fracture_shard.source_global_trans.get_scale()
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# instance.setPolygon(fracture_shard.centered_shape, s)
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#
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# instance.setColor(_cur_fracture_color)
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#
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# var dir : Vector2 = (fracture_shard.spawn_pos - fracture_shard.source_global_trans.get_origin()).normalized()
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# instance.linear_velocity = dir * _rng.randf_range(300, 500)
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# instance.angular_velocity = _rng.randf_range(-1, 1)
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#
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# instance.setTexture(PolygonLib.setTextureOffset(texture_info, fracture_shard.centroid))
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func _on_SlowMoTimer_timeout() -> void:
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Engine.time_scale = 1.0

‎demo/src/CutShapeVisualizer.gd

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# MIT License
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# -----------------------------------------------------------------------
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# This file is part of:
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# GODOT Polygon 2D Fracture
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# https://github.com/SoloByte/godot-polygon2d-fracture
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# -----------------------------------------------------------------------
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# Copyright (c) 2021 David Grueneis
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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signal Despawn(ref)

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