diff options
Diffstat (limited to 'curve_tools/internal.py')
| -rw-r--r-- | curve_tools/internal.py | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/curve_tools/internal.py b/curve_tools/internal.py index e967fc6e..96816189 100644 --- a/curve_tools/internal.py +++ b/curve_tools/internal.py @@ -103,11 +103,11 @@ def nearestPointOfLines(originA, dirA, originB, dirB, tollerance=0.0): def lineSegmentLineSegmentIntersection(beginA, endA, beginB, endB, tollerance=0.001): dirA = endA-beginA dirB = endB-beginB - intersection = nearestPointOfLines(beginA, dirA, beginB, dirB) - if math.isnan(intersection[0]) or (intersection[2]-intersection[3]).length > tollerance or \ - intersection[0] < 0 or intersection[0] > 1 or intersection[1] < 0 or intersection[1] > 1: + paramA, paramB, pointA, pointB = nearestPointOfLines(beginA, dirA, beginB, dirB) + if math.isnan(paramA) or (pointA-pointB).length > tollerance or \ + paramA < 0 or paramA > 1 or paramB < 0 or paramB > 1: return None - return intersection + return (paramA, paramB, pointA, pointB) def aabbOfPoints(points): min = Vector(points[0]) @@ -290,6 +290,16 @@ def isSegmentLinear(points, tollerance=0.0001): def bezierSegmentPoints(begin, end): return [begin.co, begin.handle_right, end.handle_left, end.co] +def grab_cursor(context, event): + if event.mouse_region_x < 0: + context.window.cursor_warp(context.region.x+context.region.width, event.mouse_y) + elif event.mouse_region_x > context.region.width: + context.window.cursor_warp(context.region.x, event.mouse_y) + elif event.mouse_region_y < 0: + context.window.cursor_warp(event.mouse_x, context.region.y+context.region.height) + elif event.mouse_region_y > context.region.height: + context.window.cursor_warp(event.mouse_x, context.region.y) + def deleteFromArray(item, array): for index, current in enumerate(array): if current is item: @@ -586,7 +596,6 @@ def getSelectedSplines(include_bezier, include_polygon, allow_partial_selection= return result def addObject(type, name): - bpy.ops.object.select_all(action='DESELECT') if type == 'CURVE': data = bpy.data.curves.new(name=name, type='CURVE') data.dimensions = '3D' @@ -780,6 +789,27 @@ def filletSpline(spline, radius, chamfer_mode, limit_half_way, tollerance=0.0001 i = i+1 return addBezierSpline(bpy.context.object, spline.use_cyclic_u, vertices) +def dogBone(spline, radius): + vertices = [] + def handlePoint(prev_segment_points, next_segment_points, selected, prev_tangent, current_tangent, next_tangent, normal, angle, is_first, is_last): + if not selected or is_first or is_last or angle == 0 or normal[2] > 0.0 or \ + (spline.type == 'BEZIER' and not (isSegmentLinear(prev_segment_points) and isSegmentLinear(next_segment_points))): + prev_handle = next_segment_points[0] if is_first else prev_segment_points[2] if spline.type == 'BEZIER' else prev_segment_points[0] + next_handle = next_segment_points[0] if is_last else next_segment_points[1] if spline.type == 'BEZIER' else next_segment_points[3] + vertices.append([prev_handle, next_segment_points[0], next_handle]) + return + tan_factor = math.tan(angle*0.5) + corner = next_segment_points[0]+normal.cross(prev_tangent)*radius-prev_tangent*radius*tan_factor + direction = next_segment_points[0]-corner + distance = direction.length + corner = next_segment_points[0]+direction/distance*(distance-radius) + vertices.append([prev_segment_points[0], next_segment_points[0], corner]) + vertices.append([next_segment_points[0], corner, next_segment_points[0]]) + vertices.append([corner, next_segment_points[0], next_segment_points[3]]) + iterateSpline(spline, handlePoint) + print(vertices) + return vertices + def discretizeCurve(spline, step_angle, samples): vertices = [] def handlePoint(prev_segment_points, next_segment_points, selected, prev_tangent, current_tangent, next_tangent, normal, angle, is_first, is_last): |