Ready to merge circles

1 files changed, 41 insertions, 0 deletions

diff --git a/src/ft_draw_circle.c b/src/ft_draw_circle.c
new file mode 100644
index 0000000..32a1612
--- /dev/null
+++ b/src/ft_draw_circle.c
@@ -0,0 +1,41 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_draw_circle.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/18 15:22:51 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/18 15:22:53 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <cub3d.h>
+#include <mlx.h>
+#include <stdint.h>
+#include <math.h>
+
+void
+	ft_draw_circle(int32_t a, int32_t b, int32_t color, t_cub *cl)
+{
+	const uint16_t	scale = cl->mlist->scale / 2.5;
+	int				x;
+	int				y;
+	float	i;
+	float	angle;
+	float	x1;
+	float	y1;
+
+	x = a;
+	y = b;
+
+	i = 0;
+	while (i < 360)
+	{
+		angle = i;
+		x1 = scale * cos(angle * M_PI / 180);
+		y1 = scale * sin(angle * M_PI / 180);
+		*(int*)(cl->img.ptr + (x + (int)x1) * 4 + ((y + (int)y1) * cl->img.sizeline)) = color;
+		i += 0.1;
+	}
+}