material_defaults.hpp

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#pragma once
 
#include "fracture_pattern.hpp"
#include "hardness.hpp"
 
#include <cstdint>
 
namespace physics::material_defaults {
 
inline constexpr float k_restitution = 0.1f;
inline constexpr float k_static_friction = 0.6f;
inline constexpr float k_dynamic_friction = 0.5f;

inline constexpr float k_rolling_friction = 0.01f;
inline constexpr float k_spin_friction = 0.005f;

inline constexpr float k_density = 2000.0f;
inline constexpr float k_toughness = 100.0f;
inline constexpr Hardness k_hardness = Hardness::medium;
inline constexpr FracturePattern k_fracture_pattern = FracturePattern::brittle;

inline constexpr float k_structural_strength = 1.0e6f;
 
inline constexpr float k_debris_share = 0.2f;
inline constexpr float k_fragment_share = 0.5f;
inline constexpr float k_fragment_threshold = 0.3f;
inline constexpr uint32_t k_fragment_max_parts = 4;
inline constexpr float k_shatter_threshold = 0.1f;
inline constexpr float k_shatter_cell_size = 0.5f;
inline constexpr float k_shatter_crack_cost = 1.0f;
inline constexpr float k_shatter_release = 0.3f;
inline constexpr float k_shatter_stretch = 3.0f;
inline constexpr float k_shatter_crumble = 0.5f;
inline constexpr float k_edge_noise = 0.25f;
inline constexpr float k_edge_lobes = 0.35f;
inline constexpr float k_edge_noise_scale = 4.0f;
 
}