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https://github.com/revarbat/BOSL2.git
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Reworked edge descriptors, first pass.
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Revar Desmera
148
constants.scad
148
constants.scad
@@ -29,11 +29,11 @@ LEFT = [-1, 0, 0];
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// cuboid(20, anchor=RIGHT);
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RIGHT = [ 1, 0, 0];
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// Constant: FWD
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// Constant: FRONT
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// Description: Vector pointing forward. [0,-1,0]
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// Example(3D): Usage with `anchor`
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// cuboid(20, anchor=FWD);
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FWD = [ 0, -1, 0];
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// cuboid(20, anchor=FRONT);
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FRONT = [ 0, -1, 0];
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// Constant: BACK
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// Description: Vector pointing back. [0,1,0]
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@@ -41,17 +41,17 @@ FWD = [ 0, -1, 0];
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// cuboid(20, anchor=BACK);
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BACK = [ 0, 1, 0];
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// Constant: DOWN
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// Constant: BOTTOM
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// Description: Vector pointing down. [0,0,-1]
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// Example(3D): Usage with `anchor`
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// cuboid(20, anchor=DOWN);
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DOWN = [ 0, 0, -1];
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// cuboid(20, anchor=BOTTOM);
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BOTTOM = [ 0, 0, -1];
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// Constant: UP
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// Constant: TOP
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// Description: Vector pointing up. [0,0,1]
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// Example(3D): Usage with `anchor`
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// cuboid(20, anchor=UP);
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UP = [ 0, 0, 1];
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// cuboid(20, anchor=TOP);
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TOP = [ 0, 0, 1];
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// Constant: ALLPOS
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// Description: Vector pointing right, back, and up. [1,1,1]
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@@ -75,17 +75,12 @@ CENTER = [ 0, 0, 0]; // Centered zero vector.
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// Section: Vector Aliases
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// Useful aliases for use with `anchor`.
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ABOVE = UP; // Vector pointing up, alias to `UP`.
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BELOW = DOWN; // Vector pointing down, alias to `DOWN`.
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BEFORE = FWD; // Vector pointing forward, alias to `FWD`.
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BEHIND = BACK; // Vector pointing back, alias to `BACK`.
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TOP = UP; // Vector pointing up, alias to `UP`.
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BOTTOM = DOWN; // Vector pointing down, alias to `DOWN`.
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FRONT = FWD; // Vector pointing forward, alias to `FWD`.
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REAR = BACK; // Vector pointing back, alias to `BACK`.
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FORWARD = FWD; // Vector pointing forward, alias to `FWD`.
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UP = TOP; // Vector pointing up, alias to `TOP`.
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DOWN = BOTTOM; // Vector pointing down, alias to `BOTTOM`.
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BTM = BOTTOM; // Vector pointing down, alias to `BOTTOM`.
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BOT = BOTTOM; // Vector pointing down, alias to `BOTTOM`.
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FWD = FRONT; // Vector pointing forward, alias to `FRONT`.
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FORWARD = FRONT; // Vector pointing forward, alias to `FRONT`.
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@@ -179,117 +174,4 @@ ORIENT_YNEG_270 = [ 90, 90, 0]; // Orient reversed along the Y axis, then ro
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ORIENT_ZNEG_270 = [ 0, 180, 90]; // Orient reversed along the Z axis, then rotate 270 degrees counter-clockwise on that axis, as seen when facing the origin from that axis orientation.
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// Section: Individual Edges
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// Constants for specifying edges for `cuboid()`, etc.
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EDGE_TOP_BK = [[1,0,0,0], [0,0,0,0], [0,0,0,0]]; // Top Back edge.
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EDGE_TOP_FR = [[0,1,0,0], [0,0,0,0], [0,0,0,0]]; // Top Front edge.
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EDGE_BOT_FR = [[0,0,1,0], [0,0,0,0], [0,0,0,0]]; // Bottom Front Edge.
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EDGE_BOT_BK = [[0,0,0,1], [0,0,0,0], [0,0,0,0]]; // Bottom Back Edge.
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EDGE_TOP_RT = [[0,0,0,0], [1,0,0,0], [0,0,0,0]]; // Top Right edge.
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EDGE_TOP_LF = [[0,0,0,0], [0,1,0,0], [0,0,0,0]]; // Top Left edge.
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EDGE_BOT_LF = [[0,0,0,0], [0,0,1,0], [0,0,0,0]]; // Bottom Left edge.
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EDGE_BOT_RT = [[0,0,0,0], [0,0,0,1], [0,0,0,0]]; // Bottom Right edge.
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EDGE_BK_RT = [[0,0,0,0], [0,0,0,0], [1,0,0,0]]; // Back Right edge.
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EDGE_BK_LF = [[0,0,0,0], [0,0,0,0], [0,1,0,0]]; // Back Left edge.
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EDGE_FR_LF = [[0,0,0,0], [0,0,0,0], [0,0,1,0]]; // Front Left edge.
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EDGE_FR_RT = [[0,0,0,0], [0,0,0,0], [0,0,0,1]]; // Front Right edge.
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// Section: Sets of Edges
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// Constants for specifying edges for `cuboid()`, etc.
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EDGES_X_TOP = [[1,1,0,0], [0,0,0,0], [0,0,0,0]]; // Both X-aligned Top edges.
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EDGES_X_BOT = [[0,0,1,1], [0,0,0,0], [0,0,0,0]]; // Both X-aligned Bottom edges.
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EDGES_X_FR = [[0,1,1,0], [0,0,0,0], [0,0,0,0]]; // Both X-aligned Front edges.
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EDGES_X_BK = [[1,0,0,1], [0,0,0,0], [0,0,0,0]]; // Both X-aligned Back edges.
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EDGES_X_ALL = [[1,1,1,1], [0,0,0,0], [0,0,0,0]]; // All four X-aligned edges.
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EDGES_Y_TOP = [[0,0,0,0], [1,1,0,0], [0,0,0,0]]; // Both Y-aligned Top edges.
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EDGES_Y_BOT = [[0,0,0,0], [0,0,1,1], [0,0,0,0]]; // Both Y-aligned Bottom edges.
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EDGES_Y_LF = [[0,0,0,0], [0,1,1,0], [0,0,0,0]]; // Both Y-aligned Left edges.
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EDGES_Y_RT = [[0,0,0,0], [1,0,0,1], [0,0,0,0]]; // Both Y-aligned Right edges.
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EDGES_Y_ALL = [[0,0,0,0], [1,1,1,1], [0,0,0,0]]; // All four Y-aligned edges.
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EDGES_Z_BK = [[0,0,0,0], [0,0,0,0], [1,1,0,0]]; // Both Z-aligned Back edges.
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EDGES_Z_FR = [[0,0,0,0], [0,0,0,0], [0,0,1,1]]; // Both Z-aligned Front edges.
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EDGES_Z_LF = [[0,0,0,0], [0,0,0,0], [0,1,1,0]]; // Both Z-aligned Left edges.
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EDGES_Z_RT = [[0,0,0,0], [0,0,0,0], [1,0,0,1]]; // Both Z-aligned Right edges.
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EDGES_Z_ALL = [[0,0,0,0], [0,0,0,0], [1,1,1,1]]; // All four Z-aligned edges.
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EDGES_LEFT = [[0,0,0,0], [0,1,1,0], [0,1,1,0]]; // All four Left edges.
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EDGES_RIGHT = [[0,0,0,0], [1,0,0,1], [1,0,0,1]]; // All four Right edges.
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EDGES_FRONT = [[0,1,1,0], [0,0,0,0], [0,0,1,1]]; // All four Front edges.
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EDGES_BACK = [[1,0,0,1], [0,0,0,0], [1,1,0,0]]; // All four Back edges.
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EDGES_BOTTOM = [[0,0,1,1], [0,0,1,1], [0,0,0,0]]; // All four Bottom edges.
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EDGES_TOP = [[1,1,0,0], [1,1,0,0], [0,0,0,0]]; // All four Top edges.
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EDGES_NONE = [[0,0,0,0], [0,0,0,0], [0,0,0,0]]; // No edges.
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EDGES_ALL = [[1,1,1,1], [1,1,1,1], [1,1,1,1]]; // All edges.
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// Section: Edge Helpers
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EDGE_OFFSETS = [ // Array of XYZ offsets to the center of each edge.
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[[0, 1, 1], [ 0,-1, 1], [ 0,-1,-1], [0, 1,-1]],
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[[1, 0, 1], [-1, 0, 1], [-1, 0,-1], [1, 0,-1]],
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[[1, 1, 0], [-1, 1, 0], [-1,-1, 0], [1,-1, 0]]
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];
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// Function: corner_edge_count()
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// Description: Counts how many given edges intersect at a specific corner.
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// Arguments:
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// edges = Standard edges array.
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// v = Vector pointing to the corner to count edge intersections at.
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function corner_edge_count(edges, v) =
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(v[2]<=0)? (
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(v[1]<=0)? (
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(v[0]<=0)? (
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edges[0][2] + edges[1][2] + edges[2][2]
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) : (
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edges[0][2] + edges[1][3] + edges[2][3]
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)
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) : (
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(v[0]<=0)? (
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edges[0][3] + edges[1][2] + edges[2][1]
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) : (
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edges[0][3] + edges[1][3] + edges[2][0]
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)
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)
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) : (
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(v[1]<=0)? (
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(v[0]<=0)? (
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edges[0][1] + edges[1][1] + edges[2][2]
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) : (
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edges[0][1] + edges[1][0] + edges[2][3]
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)
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) : (
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(v[0]<=0)? (
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edges[0][0] + edges[1][1] + edges[2][1]
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) : (
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edges[0][0] + edges[1][0] + edges[2][0]
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)
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)
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);
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// Default values for attachment code.
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$color = undef;
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$overlap = 0.01;
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$attach_to = undef;
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$attach_anchor = [CENTER, CENTER, UP, 0];
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$attach_norot = false;
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$parent_size = undef;
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$parent_size2 = undef;
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$parent_shift = [0,0];
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$parent_orient = ORIENT_Z;
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$parent_anchor = CENTER;
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$parent_anchors = [];
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$tags_shown = [];
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$tags_hidden = [];
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$tags = "";
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// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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