From 0a0f2de6a140d0b35d1cd31a0e9659c465d8d65d Mon Sep 17 00:00:00 2001
From: davidovski <david@sendula.com>
Date: Sat, 17 Jul 2021 23:46:56 +0100
Subject: Pong

---
 src/main.c | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/main.c

(limited to 'src')

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..d1e7ede
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,118 @@
+// Pong add-in by davidovski
+// Copyright (C) 2021 davidovski
+//
+// This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <gint/display.h>
+#include <gint/keyboard.h>
+#include <gint/keycodes.h>
+#include <gint/clock.h>
+#include <math.h>
+
+
+int s1 = 0;
+int s2 = 0;
+
+float bx = 64;
+float by = 32;
+int bs = 2;
+
+float vx = 0;
+float vy = 0;
+
+float s = 1;
+
+int p1 = 24;
+int p2 = 24;
+int h = 16;
+int w = 2;
+int main(void)
+{
+	int tick = 1;
+	bool game = true;
+	while (game) {
+		dclear(C_WHITE);
+
+		drect(1, p1, 1 + w, p1 + h, C_BLACK);
+		drect(125, p2, 125 + w, p2 + h, C_BLACK);
+
+		drect(bx-1, by-1, bx+1, by+1, C_BLACK);
+
+		dupdate();
+	
+
+		pollevent();
+
+		if (keydown(KEY_EXIT)) 
+			game = false;
+
+		if (keydown(KEY_1) && p1 + h < 64)  
+				p1 += 1;
+		if (keydown(KEY_4) && p1 > 0)  
+				p1 -= 1;
+		if (keydown(KEY_5) && bs == 1) {
+				bs = 0;
+				vy = 0;
+				vx = s;
+		}
+
+		if (keydown(KEY_SUB) && p2 + h < 64)  
+				p2 += 1;
+		if (keydown(KEY_DIV) && p2 > 0)  
+				p2 -= 1;
+		if (keydown(KEY_MUL) && bs == 2) {
+				bs = 0;
+				vy = 0;
+				vx = -s;
+		}
+
+		if (bs == 1) { //player 1 serve
+			bx = 5;
+			by = p1 + (h/2);
+		} else if (bs == 2) { // player 2 serve
+			bx = 123;
+			by = p2 + (h/2);
+		} else {
+
+			if (by < 1) vy *= -1; 
+			if (by > 63) vy *= -1; 
+			
+			if (bx < 0) bs = 2;
+			if (bx > 128) bs = 1;
+
+
+			// collided with player 1
+			if (by > p1 && by < p1+h+2 && bx <= 5) {
+				int dy = p1+(h/2) - by;
+				vx = fabs(vx);
+				vy += dy * 0.1;
+
+			}
+			if (by > p2 && by < p2+h+2 && bx >= 123) {
+
+				int dy =  p2+(h/2) - by;
+				vx = -fabs(vx);
+				vy += dy * -0.1;
+			}
+
+			bx += vx;
+			by += vy;
+		}
+
+		tick++;
+		sleep_us(20*1000);
+	}
+	game = true;
+	return 0;
+}
-- 
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