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Diffstat (limited to '')
| -rw-r--r-- | src/brothers.zig | 9 | ||||
| -rw-r--r-- | src/utils.zig | 3 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/brothers.zig b/src/brothers.zig index 6121841..c3bde96 100644 --- a/src/brothers.zig +++ b/src/brothers.zig @@ -28,6 +28,15 @@ pub const Brother = struct { self.x -= 1; if (gamepad.held.right and self.x <= utils.rightLimit[@enumToInt(self.side)] - brother_width) self.x += 1; + if (self.y < 160) { // jumping! + self.vy += utils.gravity; + self.y += self.vy * utils.frequency; + if (self.y > 160) + self.y = 160; + } else if (gamepad.pressed.up) { + self.vy = -200; + self.y += self.vy * utils.frequency; + } } }; diff --git a/src/utils.zig b/src/utils.zig index 5fa40f9..bb9eb13 100644 --- a/src/utils.zig +++ b/src/utils.zig @@ -1,6 +1,7 @@ //----- Physics --------------------------------------------------------------- pub const gravity: f64 = 9.807; // m/s² -pub const scale: f64 = 1.0 / 30; // 30 pixels == 1m +pub const scale: f64 = 1.0 / 30.0; // 30 pixels == 1m +pub const frequency: f64 = 1.0 / 60.0; // 60 fps //----- Playground ------------------------------------------------------------ pub const side = enum(u1) { |