aboutsummaryrefslogtreecommitdiff
path: root/src/brothers.zig
diff options
context:
space:
mode:
Diffstat (limited to 'src/brothers.zig')
-rw-r--r--src/brothers.zig31
1 files changed, 30 insertions, 1 deletions
diff --git a/src/brothers.zig b/src/brothers.zig
index 7aaf7de..448aaec 100644
--- a/src/brothers.zig
+++ b/src/brothers.zig
@@ -1,6 +1,8 @@
const std = @import("std");
const spoon = @import("spoon");
+const ball = @import("ball.zig");
+
pub const Side = enum(u1) {
left,
right,
@@ -41,7 +43,7 @@ pub const Brother = struct {
self.dx += 5 / (1000 / 60.0);
self.moveDuration = 24;
}
- pub fn step(self: *Brother) void {
+ pub fn step(self: *Brother, b: *ball.Ball) void {
// Horizontal movement
const x = self.x + self.dx;
const ll = leftLimit[@enumToInt(self.side)];
@@ -74,6 +76,33 @@ pub const Brother = struct {
} else {
self.y = y;
}
+ // Check for ball collisions
+ if (b.y >= y and b.y <= y + 2 and b.x >= x and b.x < x + 5) {
+ if (b.dy > 0) {
+ b.dy = -b.dy / 1.5;
+ }
+ b.dx = b.dx / 2.0;
+ var strength: f64 = 1;
+ if (b.dx > 0 and self.dx < 0)
+ strength *= 2; // moving in opposite directions
+ if (y < 12) { // jumping
+ strength *= 2;
+ }
+ if (b.x < x + 1) {
+ b.dx -= strength * 4 / (1000 / 60.0);
+ } else if (b.x < x + 2) {
+ b.dx -= strength * 2 / (1000 / 60.0);
+ } else if (b.x < x + 3) {
+ var modifier: f64 = 1;
+ if (self.side == .left) modifier = -1;
+ b.dx += modifier * strength * 2 / (1000 / 60.0);
+ } else if (b.x < x + 4) {
+ b.dx += strength * 2 / (1000 / 60.0);
+ } else {
+ b.dx += strength * 4 / (1000 / 60.0);
+ }
+ b.dy = b.dy * strength - 0.04;
+ }
}
pub fn reset(self: *Brother, side: ?Side) void {
if (side) |s| {