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#include "sprite-animator.h"
void update_frame(animation_player_t *anim){
if (anim->frame_speed == 0){
return;
}
anim->frame_counter++;
if (anim->frame_counter >= (FPS / anim->frame_speed)){
anim->frame_counter = 0;
anim->frame_current = anim->frame_current + anim->index_increment;
if (anim->frame_current >= anim->index_end) {
anim->frame_current = anim->index_start + anim->index_offset;
}
anim->frame_rec.x = (anim->frame_current % 8) * anim->frame_width;
anim->frame_rec.y = (anim->frame_current / 8) * anim->frame_height;
}
}
void draw_frame(animation_player_t *anim, Vector2 pos, Color tint){
DrawTextureRec(*anim->sheet, anim->frame_rec, pos, tint);
}
animation_player_t make_animation_player
(Texture2D *texture, int row, int col, int start, int end, int inc, int offset){
float w = texture->width / col;
float h = texture->height / row;
return (animation_player_t){
.sheet = texture,
.frame_counter = 0,
.frame_speed = 5,
.frame_width = w,
.frame_height = h,
.index_start = start,
.index_end = end,
.index_increment = inc,
.index_offset = offset,
.frame_current = start,
.frame_rec = (Rectangle){ 0, 0, w, h }
};
}
void draw_frame_box(animation_player_t *anim, Vector2 pos){
DrawRectangleLines(pos.x, pos.y, anim->frame_width, anim->frame_height, SKYBLUE);
}
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