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Use angle from dna

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This commit is contained in:
Nikola Petrov 2025-01-02 18:24:13 +01:00
parent 7f2265ca12
commit f60701c9e3
3 changed files with 18 additions and 1 deletions
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1
inc/canvas/Tree.hpp
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@ -40,4 +40,5 @@ private:
inline int get_start_size(DrawArgs &arg);
inline int get_end_size(DrawArgs &arg, int start);
inline float get_lenght(DrawArgs &arg);
inline float get_angle_var(DrawArgs &arg);
};

2
inc/values/Dna.hpp
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@ -7,6 +7,8 @@
#include <raylib.h>
#define MAX_DEPTH 8
#define MAX_POSIBLE_DEPTH 11
static_assert(MAX_DEPTH <= MAX_POSIBLE_DEPTH);
struct uint128
{

16
src/canvas/Tree.cpp
View File

@ -22,9 +22,13 @@ constexpr int min_size_var = -5;
constexpr int max_size_chnage = 5;
constexpr int min_size_change = -5;
constexpr int sizes[] = {2, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20};
static_assert(sizeof(sizes) / sizeof(int) == MAX_POSIBLE_DEPTH);
float lengths[MAX_DEPTH];
constexpr float max_angles[] = {5.0f, 5.0f, 5.0f, 10.0f, 10.0f, 10.0f, 15.0f, 15.0f, 20.0f, 20.0f, 20.0f};
static_assert(sizeof(max_angles) / sizeof(float) == MAX_POSIBLE_DEPTH);
void calculateLevels(int canvasSize)
{
lengths[0] = canvasSize / 4.0f;
@ -75,7 +79,8 @@ void Tree::drawBranch()
DrawArgs arg = draw_calls.front();
if (arg.dep == MAX_DEPTH)
return;
float angle = ((arg.angleDeg) * PI) / 180.0f;
float angle_var = get_angle_var(arg);
float angle = ((arg.angleDeg + angle_var) * PI) / 180.0f;
float length = get_lenght(arg);
float nx = length * std::sin(angle);
float ny = length * std::cos(angle);
@ -194,3 +199,12 @@ inline float Tree::get_lenght(DrawArgs &arg)
lenght = 1;
return lenght;
}
inline float Tree::get_angle_var(DrawArgs &arg)
{
float angle_var = Remap(m_dna->branches[arg.dep].branch_angle_var, 0, 255, 0.0f, max_angles[arg.dep]);
angle_var = Lerp(angle_var, -angle_var, mrand::getFloat(&branchSeed));
return angle_var;
}