From 7ca9831f85db448641141ac40770af6baa8b512f Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Wed, 12 Feb 2025 20:25:35 +0100
Subject: graphics: fix line offset

---
 src/screen/main.zig | 37 ++++++++++++++-----------------------
 1 file changed, 14 insertions(+), 23 deletions(-)

(limited to 'src/screen')

diff --git a/src/screen/main.zig b/src/screen/main.zig
index 2cb8c03..0ee7e17 100644
--- a/src/screen/main.zig
+++ b/src/screen/main.zig
@@ -31,41 +31,32 @@ pub fn main() !void {
 	const center_x = (buffer.current.width / 2);
 	const center_y = (buffer.current.height / 2);
 
-	var line = graphics.Line {
+	var curve = graphics.Curve {
 		.start = .{ .x = center_x, .y = center_y },
+		.middle = .{ .x = center_x, .y = center_y + 150 },
 		.end = .{ .x = center_x + 110 , .y = center_y + 100  },
 		.color = .{ .red = 0xff, .green = 0, .blue = 0 },
 	};
 
 	var last_duration: f64 = 0;
 	var delta: f64 = 0;
-	var angle: f64 = 0;
 
 	while (true) {
 		const start = try std.time.Instant.now();
 		const canvas = buffer.canvas();
 
-		canvas.fill(.{ .red = 0x25, .green = 0x25, .blue = 0x25 });
-
-		(graphics.Box {
-			.x = center_x - 100,
-			.y = center_y - 100,
-			.width = 200,
-			.height = 200,
-			.radius = 100,
-			.color = .{ .red = 0xff, .green = 0xff, .blue = 0xff },
-		}).render(&canvas);
-
-		line.render(&canvas);
-		const cos = @cos(std.math.degreesToRadians(angle));
-		const sin = @sin(std.math.degreesToRadians(angle));
-		line.end.x = @intCast(@as(i64, @intCast(center_x)) + @as(i64, @intFromFloat(100 * cos)));
-		line.end.y = @intCast(@as(i64, @intCast(center_y)) + @as(i64, @intFromFloat(100 * sin)));
-
-		angle += delta;
-		if (angle > 360) {
-			angle = 0;
-		}
+		canvas.fill(.{ .red = 0x5, .green = 0x5, .blue = 0x5 });
+
+		//(graphics.Box {
+		//	.x = center_x - 100,
+		//	.y = center_y - 100,
+		//	.width = 200,
+		//	.height = 200,
+		//	.radius = 100,
+		//	.color = .{ .red = 0xff, .green = 0xff, .blue = 0xff },
+		//}).render(&canvas);
+
+		curve.render(&canvas);
 
 		const end = try std.time.Instant.now();
 		const duration: f64 = @floatFromInt(end.since(start));
-- 
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