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#include "raylib.h"
#include "raymath.h"
#include <math.h>
#include "fairy.h"
#include "globals.h"
#define FAIRY_WAND_RADIUS 20
#define FAIRY_STAY_MIN 1
#define FAIRY_STAY_MAX 3
#define FAIRY_SMOOTHNESS 0.25f
#define FAIRY_BOB_SPEED 4
#define FAIRY_BOB_HEIGHT 5
void UpdateFairy(Fairy *fairy, Vector2 playerWorldPosiion) {
float deltaTime = GetFrameTime();
fairy->wandTimer -= deltaTime;
if (fairy->wandTimer <= 0) {
fairy->targetOffset =
(Vector2){GetRandomValue(-FAIRY_WAND_RADIUS, FAIRY_WAND_RADIUS),
GetRandomValue(-FAIRY_WAND_RADIUS, FAIRY_WAND_RADIUS)};
fairy->wandTimer = GetRandomValue(FAIRY_STAY_MIN, FAIRY_STAY_MAX);
}
fairy->targetWorld = Vector2Add(playerWorldPosiion, fairy->targetOffset);
fairy->position = Vector2Lerp(fairy->position, fairy->targetWorld,
FAIRY_SMOOTHNESS * deltaTime);
}
void DrawFairy(Fairy *fairy) {
float bob = sin(GetTime() * FAIRY_BOB_SPEED) * FAIRY_BOB_HEIGHT;
int x = (int)fairy->position.x;
int y = (int)(fairy->position.y + bob);
if (debugMode) {
DrawCircleV(fairy->targetWorld, 1, RED);
DrawCircleV(fairy->position, 1, GREEN);
}
// Outer cross glow
DrawRectangle(x, y - 3, 1, 7, (Color){140, 180, 255, 40});
DrawRectangle(x - 3, y, 7, 1, (Color){140, 180, 255, 40});
// Mid cross
DrawRectangle(x, y - 1, 1, 3, (Color){190, 215, 255, 120});
DrawRectangle(x - 1, y, 3, 1, (Color){190, 215, 255, 120});
// Bright core pixel
DrawRectangle(x, y, 1, 1, (Color){255, 255, 255, 255});
}
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