gz_waves: Gerstner backend - Part 2/4#883
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…GUI registrar Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: Carlos Aguero <caguero@honurobotics.com>
…leanup Drop Eigen in favor of gz::math vectors (matching the core interface), wire gz-math into the engine target, switch members to gz-style (this->member, no trailing underscore), and factor the per-component phase into a shared Phase() helper. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: Carlos Agüero <caguero@honurobotics.com>
…uard Switch the engine's diagnostics from std::cerr to gzerr (wiring gz-common into the engine target), and reject a non-positive <period> in SetParameters — which would otherwise make omega=2*pi/period infinite and the PMS spectrum blow up — leaving the field flat instead. Adds a test. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: Carlos Agüero <caguero@honurobotics.com>
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This patch adds the first wave engine, the analytic Gerstner (sum-of-sines) backend. It depends only on the core; no FFT, no rendering, no EncinoWaves.
No on-screen waves yet
This PR adds the engine + source + GUI registrar, but the surface is drawn by
WaterVisual, which lands in PR3 (gz_waves_rendering). The first visible Gerstner waves appear once core + this engine + rendering are all in — i.e. at PR3. PR2 is exercised headless (its tests) and by theWavefieldcomponent it publishes.