1 files changed, 28 insertions, 0 deletions
diff --git a/src/ball.zig b/src/ball.zig
new file mode 100644
index 0000000..11737bb
--- /dev/null
+++ b/src/ball.zig
@@ -0,0 +1,28 @@
+const std = @import("std");
+const utils = @import("utils.zig");
+const w4 = @import("wasm4.zig");
+
+pub const Ball = struct {
+    x: f64,
+    y: f64,
+    dx: f64,
+    dy: f64,
+    pub fn draw(self: Ball) void {
+        var y = @floatToInt(u8, std.math.round(self.y));
+        var x = @floatToInt(u8, std.math.round(self.x));
+        w4.DRAW_COLORS.* = 0x4321;
+        w4.blit(&ball, x, y, ball_width, ball_height, ball_flags);
+    }
+    pub fn resetRound(self: *Ball, side: utils.side) void {
+        self.x = @intToFloat(f64, utils.startingX[@enumToInt(side)] + 4);
+        self.y = 160 - 32 - 8;
+        self.dx = 0;
+        self.dy = 0;
+    }
+};
+
+//----- Sprite ----------------------------------------------------------------
+const ball_width = 8;
+const ball_height = 8;
+const ball_flags = 1; // BLIT_2BPP
+const ball = [16]u8{ 0x1a, 0xa4, 0x6f, 0xf9, 0xbf, 0xae, 0xbf, 0xae, 0xbf, 0xfe, 0xbf, 0xfe, 0x6f, 0xf9, 0x1a, 0xa4 };