From b1d985a5b87eac51ba960cef533e768a93b5b351 Mon Sep 17 00:00:00 2001
From: Joshua Saxby <joshua.a.saxby@gmail.com>
Date: Sun, 9 Feb 2020 18:18:55 +0000
Subject: [PATCH] Coded up a stacking Block demo without player movement
---
source/main.cpp | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/source/main.cpp b/source/main.cpp
index 1cd70a3..50020b0 100755
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -318,9 +318,41 @@ bool game_over;
void start_new_game() {
game_over = false; // we're starting a new game
// TODO: add event-handlers for button-presses
+ unsigned long stopwatch = UBIT.systemTime();
+ unsigned long move_speed = 350; // move down one block every 350ms
// this is the main game loop
do {
- NULL;
+ // XXX: for demo, keep sending random Blocks until stacked up to ceiling
+ Block block;
+ // starting position
+ Point origin(1, -3);
+ // this is the down unit-vector
+ Vector down(0, 1);
+ // if we can't send this Block down at creation, it's game over
+ game_over = not can_shape_move(block, origin, stacked_shapes, down);
+ if (not game_over) {
+ bool can_move = true;
+ do {
+ // draw the scene
+ UBIT.display.print(stacked_shapes);
+ // draw Block with transparency enabled on clear image pixels
+ UBIT.display.print(block.image(), origin.x, origin.y, 1);
+ {
+ // check if enough time has elapsed to move the block
+ unsigned long stopwatch_now = UBIT.systemTime();
+ if ((stopwatch_now - stopwatch) >= move_speed) {
+ // shift the shape down
+ origin = origin + down;
+ // update the "stopwatch"
+ stopwatch = stopwatch_now;
+ }
+ }
+ // delay
+ UBIT.sleep(50); // 50ms sleep = 20fps
+ } while (can_shape_move(block, origin, stacked_shapes, down));
+ // the Block has now collided with the stack, copy it to the stack
+ stacked_shapes.paste(block.image(), origin.x, origin.y, 1);
+ }
} while (not game_over);
// TODO: remove event-handlers
// TODO: add GAME OVER message
--
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