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-rw-r--r--src/ball.zig46
1 files changed, 38 insertions, 8 deletions
diff --git a/src/ball.zig b/src/ball.zig
index a9b1c77..9603d9a 100644
--- a/src/ball.zig
+++ b/src/ball.zig
@@ -41,20 +41,50 @@ pub const Ball = struct {
self.vy = 0;
self.y = 160 - ball_height;
}
- // Net collision
+ // Net collision left
var x1: f64 = 78 - ball_width;
- var x2: f64 = 82;
- var y1: f64 = 100 - ball_height;
+ var x2: f64 = 82 - ball_width;
+ var y1: f64 = 100;
var y2: f64 = 160;
- if (self.x >= x1 and self.x < x2 and self.y >= y1 and self.y < y2) {
- if (self.vx > 0) {
+ if (self.vx > 0 and self.x >= x1 and self.x < x2 and self.y >= y1 and self.y < y2) {
+ self.vx = -self.vx * utils.bounce;
+ self.x = x1;
+ }
+ // Net collision right
+ x1 = 78;
+ x2 = 82;
+ y1 = 100;
+ y2 = 160;
+ if (self.vx < 0 and self.x >= x1 and self.x < x2 and self.y >= y1 and self.y < y2) {
+ self.vx = -self.vx * utils.bounce;
+ self.x = x2;
+ }
+ // Net collision top and top left
+ x1 = 78 - ball_width;
+ x2 = 81;
+ y1 = 100 - ball_height;
+ y2 = 100;
+ if (self.vx > 0 and self.vy > 0 and self.x >= x1 and self.x < x2 and self.y >= y1 and self.y < y2) {
+ self.vy = -self.vy * utils.bounce;
+ self.y = y1;
+ if (self.x < 79 - ball_width) {
+ self.vx = -self.vx * utils.bounce;
self.x = x1;
- } else {
+ }
+ }
+ // Net collision top and top right
+ x1 = 78 - ball_width;
+ x2 = 82;
+ y1 = 100 - ball_height;
+ y2 = 100;
+ if (self.vx < 0 and self.vy > 0 and self.x >= x1 and self.x < x2 and self.y >= y1 and self.y < y2) {
+ self.vy = -self.vy * utils.bounce;
+ self.y = y1;
+ if (self.x > 81) {
+ self.vx = -self.vx * utils.bounce;
self.x = x2;
}
- self.vx = -self.vx;
}
- // TODO collision with top of the net?
}
};