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juce_circle_layout

An easy to use 'flex-box' style utility for layouts based around circles.

Examples

This illustration demonstrates the libraries basic usage,

A relatively complex layout as seen below can be achieved quite concisely, including nested sub-layouts, using a declarative approach similar to JUCEs flex-box.

CircleLayout orbit_layout;
orbit_layout.items.add (CircleLayout::Item ()
                            .WithAnchor (CircleLayout::Anchor::kCircumference)
                            .WithCircle (small_circle.WithRotationDegrees (rotation_ * 4.0f)));

CircleLayout layout;
layout.items.add (CircleLayout::Item ()
                      .WithAnchor (CircleLayout::Anchor::kCircumference)
                      .WithCircle (small_circle.WithRotationDegrees (rotation_ * 4.0f)));

layout.items.add (CircleLayout::Item ()
                      .WithAnchor (CircleLayout::Anchor::kCircumference)
                      .WithCircle (small_circle.WithRotationDegrees (rotation_)));

layout.items.add (CircleLayout::Item ()
                      .WithAnchor (CircleLayout::Anchor::kCentre)
                      .WithOffsetRelative ({0.f, std::sin (rotation_ * 0.1f)})
                      .WithCircle (small_circle));

layout.items.add (CircleLayout::Item ()
                      .WithAnchor (CircleLayout::Anchor::kCentre)
                      .WithOffsetRelative ({std::sin (rotation_ * 0.2f), 0.f})
                      .WithCircle (small_circle));

layout.items.add (CircleLayout::Item ()
                      .WithAnchor (CircleLayout::Anchor::kCircumference)
                      .WithOffsetRelative ({0.0f, std::sin (rotation_ * 0.2f) * 0.2f})
                      .WithCircle (small_circle));

layout.items.add (CircleLayout::Item ()
                      .WithAnchor (CircleLayout::Anchor::kCircumference)
                      .WithCircle (small_circle));

layout.items.add (CircleLayout::Item ()
                      .WithCircleLayout (orbit_layout)
                      .WithAnchor (CircleLayout::Anchor::kCircumference)
                      .WithCircle (medium_circle.WithRotationDegrees (rotation_)));

layout.PerformLayout (outer_circle);