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Blend colors in the branch

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This commit is contained in:
Nikola Petrov 2024-02-22 01:50:29 +01:00
parent 19bb290276
commit f6adb3e306
1 changed files with 26 additions and 3 deletions
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29
main.cpp
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@ -6,6 +6,18 @@
#define MAX_DEPTH 11
Color ColorLerp(Color c1, Color c2, float amount)
{
Color ret{0};
ret.r = Clamp(Lerp(c1.r, c2.r, amount), 0, 255);
ret.g = Clamp(Lerp(c1.g, c2.g, amount), 0, 255);
ret.b = Clamp(Lerp(c1.b, c2.b, amount), 0, 255);
ret.a = Clamp(Lerp(c1.a, c2.a, amount), 0, 255);
return ret;
}
struct branch
{
Color color;
@ -13,14 +25,23 @@ struct branch
static std::vector<branch> tree(MAX_DEPTH);
Vector2 draw_line(Vector2 start, float angleDeg, float lenghth, Color color)
Vector2 draw_line(Vector2 start, float angleDeg, float lenghth, int dep)
{
angleDeg += 180.0f;
float angle = (angleDeg * PI) / 180.0f;
float nx = lenghth * std::sin(angle);
float ny = lenghth * std::cos(angle);
Vector2 end = {start.x + nx, start.y + ny};
DrawLineEx(start, end, 2.0f, color);
float thick = 2.0;
float fstep = 1.0 / ((lenghth / thick) * 1.5);
for (float i = 0; i < 1; i += fstep)
{
Vector2 point = Vector2Lerp(start, end, i);
Color color = ColorLerp(tree[dep - 1].color, tree[dep].color, i);
DrawCircleV(point, thick, color);
}
return end;
}
@ -29,7 +50,7 @@ void draw_branch(Vector2 start, float angle, float len, int dep)
if (dep >= MAX_DEPTH)
return;
Vector2 next = draw_line(start, angle, len, tree[dep].color);
Vector2 next = draw_line(start, angle, len, dep);
float next_len = 0.7f;
draw_branch(next, angle + 45, len * next_len, dep + 1);
@ -45,6 +66,8 @@ void generate_tree()
uint8_t b = GetRandomValue(0, 255);
tree[i].color = (Color){r, g, b, 255};
}
tree[0].color = tree[1].color;
}
int main(void)