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f2711e553f
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HeightMap: add terrain generation methods (closes #195)
Add seven terrain generation methods wrapping libtcod heightmap functions:
- add_hill(center, radius, height): Add smooth hill
- dig_hill(center, radius, depth): Dig crater (use negative depth)
- add_voronoi(num_points, coefficients, seed): Voronoi-based features
- mid_point_displacement(roughness, seed): Diamond-square terrain
- rain_erosion(drops, erosion, sedimentation, seed): Erosion simulation
- dig_bezier(points, start_radius, end_radius, start_depth, end_depth): Carve paths
- smooth(iterations): Average neighboring cells
All methods return self for chaining. Includes 24 unit tests.
Note: dig_hill and dig_bezier use libtcod's "dig" semantics - use negative
depth values to actually dig below current terrain level.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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2026-01-11 22:00:08 -05:00 |
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