basic matrix rendering

1 files changed, 61 insertions, 5 deletions

diff --git a/src/main.c b/src/main.c
index d61885b..661233b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,14 +1,70 @@
 #include "raylib.h"
 
+#define SCREEN_WIDTH  800
+#define SCREEN_HEIGHT 600
+
+#define MATRIX_WIDTH  10
+#define MATRIX_HEIGHT 40
+
+#define BLOCK_SIZE 25
+
+struct Color matrix[MATRIX_WIDTH][MATRIX_HEIGHT];
+
+void render_matrix(void);
+
+void render_matrix(void)
+{
+    /* top left corner */
+    int matrix_start_x =
+        (SCREEN_WIDTH/2 - (MATRIX_WIDTH * BLOCK_SIZE)) / 2;
+    int matrix_start_y =
+        (SCREEN_HEIGHT - (3 * MATRIX_HEIGHT / 2 * BLOCK_SIZE)) / 2;
+
+    /* draw matrix background */
+    DrawRectangle(
+            matrix_start_x - 1
+            ,matrix_start_y + (MATRIX_HEIGHT/2 * BLOCK_SIZE) - 1
+            ,MATRIX_WIDTH * BLOCK_SIZE + 2
+            ,MATRIX_HEIGHT/2 * BLOCK_SIZE + 2
+            ,GRAY
+    );
+
+    /* draw blocks from matrix */
+    for (int y = 0; y < 40; y++) {
+        for (int x = 0; x < 10; x++) {
+            DrawRectangle(
+                    (x * BLOCK_SIZE) + matrix_start_x + 1
+                    ,(y * BLOCK_SIZE) + matrix_start_y + 1
+                    ,BLOCK_SIZE - 2
+                    ,BLOCK_SIZE - 2
+                    ,matrix[x][y]
+            );
+        }
+    }
+}
+
 int main(void)
 {
-    InitWindow(800, 450, "raylib [core] example - basic window");
+    InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "~turnipGod's Tetris");
+
+    // set all blocks to white
+    for (int y = 0; y < 40; y++) {
+        for (int x = 0; x < 10; x++) {
+            matrix[x][y] = WHITE;
+        }
+    }
+
+    // set playarea blocks to purple
+    for (int y = 20; y < 40; y++) {
+        for (int x = 0; x < 10; x++) {
+                matrix[x][y] = PURPLE;
+        }
+    }
 
-    while (!WindowShouldClose())
-    {
+    while (!WindowShouldClose()) {
         BeginDrawing();
-        ClearBackground(RAYWHITE);
-        DrawText("Congrats! You created your first window!", 190, 200, 20, LIGHTGRAY);
+        ClearBackground(WHITE);
+        render_matrix();
         EndDrawing();
     }