1 files changed, 23 insertions, 17 deletions

diff --git a/height-map-display/src/main.c b/height-map-display/src/main.c
index 95e6953..5979ed4 100644
--- a/height-map-display/src/main.c
+++ b/height-map-display/src/main.c
@@ -2,6 +2,7 @@
 #include <GLFW/glfw3.h>
 #include <stdio.h>
 #include <math.h>
+#include <stdbool.h>
 
 #define MAP_HEIGHT 10
 #define MAP_WIDTH 10
@@ -19,6 +20,8 @@
 //    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
 //};
 
+bool draw_grid = true;
+
 int height_map[MAP_WIDTH][MAP_HEIGHT] = {
     {0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
     {0, 1, 1, 0, 0, 0, 0, 0, 0, 0},
@@ -109,23 +112,25 @@ void renderHeightMap() {
 
     // draw grid
     
-    glColor3f(0.0f, 0.0f, 0.0f);
-    glLineWidth(1.0f);
-    glBegin(GL_LINES);
-
-    // Draw vertical grid lines
-    for (int x = 0; x <= MAP_WIDTH; x++) {
-        for (int y = 0; y < MAP_HEIGHT; y++) {
-            glVertex3f(x, height_map[x][y] * scale_factor, y);
-            glVertex3f(x, height_map[x][y + 1] * scale_factor, y + 1);
+    if(draw_grid) {
+        glColor3f(0.0f, 0.0f, 0.0f);
+        glLineWidth(1.0f);
+        glBegin(GL_LINES);
+
+        // Draw vertical grid lines
+        for (int x = 0; x <= MAP_WIDTH; x++) {
+            for (int y = 0; y < MAP_HEIGHT; y++) {
+                glVertex3f(x, height_map[x][y] * scale_factor, y);
+                glVertex3f(x, height_map[x][y + 1] * scale_factor, y + 1);
+            }
         }
-    }
 
-    // Draw horizontal grid lines
-    for (int y = 0; y <= MAP_HEIGHT; y++) {
-        for (int x = 0; x < MAP_WIDTH; x++) {
-            glVertex3f(x, height_map[x][y] * scale_factor, y);
-            glVertex3f(x + 1, height_map[x + 1][y] * scale_factor, y);
+        // Draw horizontal grid lines
+        for (int y = 0; y <= MAP_HEIGHT; y++) {
+            for (int x = 0; x < MAP_WIDTH; x++) {
+                glVertex3f(x, height_map[x][y] * scale_factor, y);
+                glVertex3f(x + 1, height_map[x + 1][y] * scale_factor, y);
+            }
         }
     }
 
@@ -137,14 +142,15 @@ void key_callback(GLFWwindow* window, int key, int scancode, int action, int mod
 
     const float camera_speed = 0.5f;
 
-    if (key == GLFW_KEY_W && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_pos_z -= camera_speed; }
-    else if (key == GLFW_KEY_S && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_pos_z += camera_speed; }
+    if (key == GLFW_KEY_W && (action == GLFW_PRESS || action == GLFW_REPEAT)) { height_map[5][4] += 1; }
+    else if (key == GLFW_KEY_S && (action == GLFW_PRESS || action == GLFW_REPEAT)) { height_map[5][4] -= 1; }
     else if (key == GLFW_KEY_A && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_pos_x -= camera_speed; }
     else if (key == GLFW_KEY_D && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_pos_x += camera_speed; }
     else if (key == GLFW_KEY_Q && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_pitch -= camera_speed; }
     else if (key == GLFW_KEY_E && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_pitch += camera_speed; }
     else if (key == GLFW_KEY_Z && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_yaw -= camera_speed; }
     else if (key == GLFW_KEY_C && (action == GLFW_PRESS || action == GLFW_REPEAT)) { camera_yaw += camera_speed; }
+    else if (key == GLFW_KEY_X && (action == GLFW_PRESS || action == GLFW_REPEAT)) { draw_grid = !draw_grid; }
 
 }