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Updated WalkView: Added a makePolylinePath convenience function.

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Anders Gidenstam 2010-11-01 22:44:10 +01:00
parent 7b08e91f7b
commit 5ecdf0f878
1 changed files with 37 additions and 12 deletions
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49
Aircraft/Generic/WalkView/walkview.nas
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@ -221,6 +221,43 @@ var Walker = {
# Constraint classes. Determines where the view can walk.
#
# Convenience functions.
# Build a UnionConstraint hierarchy from a list of constraints.
# cs - list of constraints : [constraint]
var makeUnionConstraint = func (cs) {
if (size(cs) < 2) return cs[0];
var ret = cs[0];
for (var i = 1; i < size(cs); i += 1) {
ret = UnionConstraint.new(ret, cs[i]);
}
return ret;
}
# Build a UnionConstraint hierachy that represents a polyline path
# with a certain width. Each internal point gets a circular surface.
# points - list of points : [position] ([[meter, meter, meter]])
# width - width of the path : length (meter)
# round_ends - put a circle also on the first and last points : bool
var makePolylinePath = func (points, width, round_ends = 0) {
if (size(points) < 2) return nil;
var ret = LinePlane.new(points[0], points[1], width);
if (round_ends) {
ret = UnionConstraint.new(line,
CircularXYSurface.new(points[0], width/2));
}
for (var i = 2; i < size(points); i += 1) {
var line = LinePlane.new(points[i-1], points[i], width);
if (i + 1 < size(points) or round_ends) {
line = UnionConstraint.new
(line,
CircularXYSurface.new(points[i], width/2));
}
ret = UnionConstraint.new(line, ret);
}
return ret;
}
# The union of two constraints.
# c1, c2 - the constraints : constraint
@ -249,18 +286,6 @@ var UnionConstraint = {
}
};
# Build a unionConstraint hierarchy from a list of constraints.
# cs - list of constraints : [constraint]
var makeUnionConstraint = func (cs) {
if (size(cs) < 2) return cs[0];
var ret = cs[0];
for (var i = 1; i < size(cs); i += 1) {
ret = UnionConstraint.new(ret, cs[i]);
}
return ret;
}
# Rectangular plane defined by a straight line and a width.
# The line is extruded horizontally on each side by width/2 into a
# planar surface.