1 files changed, 44 insertions, 0 deletions
diff --git a/simple-raycaster/src/player.c b/simple-raycaster/src/player.c
new file mode 100644
index 0000000..f2d9883
--- /dev/null
+++ b/simple-raycaster/src/player.c
@@ -0,0 +1,44 @@
+#include <GLFW/glfw3.h>
+#include <math.h>
+
+#include "player.h"
+
+void move_player(Player *player, GLFWwindow* window, double* mouse_x, double* mouse_y, double width, double height) {
+	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) {
+		player->pos_x += player->dir_y * player->move_speed;
+		player->pos_y -= player->dir_x * player->move_speed;
+	}
+	if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
+		player->pos_x -= player->dir_y * player->move_speed;
+		player->pos_y += player->dir_x * player->move_speed;
+	}
+
+	// mouse controls (including y-shearing angle calculations
+	// DO NOT TOUCH, THIS TOOK A WHOLE NIGHT TO FIGURE OUT
+	double mouse_dx, mouse_dy;
+	double old_mouse_x, old_mouse_y;
+	old_mouse_x = *mouse_x;
+	old_mouse_y = *mouse_y;
+	glfwGetCursorPos(window, mouse_x, mouse_y);
+	mouse_dx = *mouse_x - old_mouse_x;
+	mouse_dy = *mouse_y - old_mouse_y;
+	double rot_speed = mouse_dx * player->sensitivity;
+	double old_dir_x = player->dir_x;
+	player->dir_x = player->dir_x * cos(rot_speed) - player->dir_y * sin(rot_speed);
+	player->dir_y = old_dir_x * sin(rot_speed) + player->dir_y * cos(rot_speed);
+	double old_plane_x = player->plane_x;
+	player->plane_x = player->plane_x * cos(rot_speed) - player->plane_y * sin(rot_speed);
+	player->plane_y = old_plane_x * sin(rot_speed) + player->plane_y * cos(rot_speed);
+	player->look_angle += mouse_dy * player->sensitivity;
+	if (player->look_angle > M_PI/4) { player->look_angle = M_PI/4; }
+	if (player->look_angle < -M_PI/4) { player->look_angle = -M_PI/4; }
+
+}