1 files changed, 34 insertions, 0 deletions
diff --git a/src/player.c b/src/player.c
new file mode 100644
index 0000000..91c4520
--- /dev/null
+++ b/src/player.c
@@ -0,0 +1,34 @@
+#include <GLFW/glfw3.h>
+#include <math.h>
+
+#include "player.h"
+
+void move_player(Player *player, GLFWwindow* window) {
+	if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
+		player->pos_x += player->dir_x * player->move_speed;
+		player->pos_y += player->dir_y * player->move_speed;
+	}
+	if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
+		player->pos_x -= player->dir_x * player->move_speed;
+		player->pos_y -= player->dir_y * player->move_speed;
+	}
+	if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
+		// this changes where we're casting our rays
+		double old_dir_x = player->dir_x;
+		player->dir_x = player->dir_x * cos(-player->rot_speed) - player->dir_y * sin(-player->rot_speed);
+		player->dir_y = old_dir_x * sin(-player->rot_speed) + player->dir_y * cos(-player->rot_speed);
+		// this updates perspective
+		double old_plane_x = player->plane_x;
+		player->plane_x = player->plane_x * cos(-player->rot_speed) - player->plane_y * sin(-player->rot_speed);
+		player->plane_y = old_plane_x * sin(-player->rot_speed) + player->plane_y * cos(-player->rot_speed);
+	}
+	if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
+		double old_dir_x = player->dir_x;
+		player->dir_x = player->dir_x * cos(player->rot_speed) - player->dir_y * sin(player->rot_speed);
+		player->dir_y = old_dir_x * sin(player->rot_speed) + player->dir_y * cos(player->rot_speed);
+		double old_plane_x = player->plane_x;
+		player->plane_x = player->plane_x * cos(player->rot_speed) - player->plane_y * sin(player->rot_speed);
+		player->plane_y = old_plane_x * sin(player->rot_speed) + player->plane_y * cos(player->rot_speed);
+	}
+
+}