Artist.cpp


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#include <cstdlib>

#include "Artist.h"
#include "Museum.h"

Artist::Artist(Museum & museum, ArtistData data) : museum(museum) {
	this->data = data;
	this->data.vx /= 5;
	this->data.vy /= 5;
}

void Artist::update() {
	this->update_edge_collision();
	this->update_movement();
}

void Artist::update_edge_collision() {
	float next_x = this->data.x + this->data.vx;
	float next_y = this->data.y + this->data.vy;

	// +0.5 is for own size (the assignment explicitly defines the x,y position
	// of artists as the top-left corner)
	if ((next_x + 0.5) > this->museum.canvas.data.columns || next_x < 0)
		this->data.vx *= -1;
	if ((next_y + 0.5) > this->museum.canvas.data.rows || next_y < 0)
		this->data.vy *= -1;
}

void Artist::update_movement() {
	float last_x = this->data.x;
	float last_y = this->data.y;

	this->data.x += this->data.vx;
	this->data.y += this->data.vy;

	if (abs(int(last_x) - int(this->data.x)) > 0) this->step = true;
	if (abs(int(last_y) - int(this->data.y)) > 0) this->step = true;
}