0.1.0-0-pre.11-fix.3

crates/engines/engine-v1-sdl/unit_tests/swipe.rs

@@ -0,0 +1,27 @@
+// file: crates/engines/engine-v1-sdl/unit_tests/swipe.rs
+// version: 1
+
+fn pointer(x: f32, y: f32) -> engine_v1_common::PointerState {
+    return engine_v1_common::PointerState::normalized(true, x, y);
+}
+
+#[test]
+fn short_gesture_does_not_emit_direction() {
+    let input = super::apply_swipe_direction(engine_v1_common::InputState::none(), Some(pointer(0.5, 0.5)), pointer(0.52, 0.51));
+    assert!(!input.is_active(engine_v1_common::GameAction::Left));
+    assert!(!input.is_active(engine_v1_common::GameAction::Right));
+    assert!(!input.is_active(engine_v1_common::GameAction::Up));
+    assert!(!input.is_active(engine_v1_common::GameAction::Down));
+}
+
+#[test]
+fn horizontal_swipe_uses_dominant_axis() {
+    let input = super::apply_swipe_direction(engine_v1_common::InputState::none(), Some(pointer(0.7, 0.5)), pointer(0.2, 0.55));
+    assert!(input.is_active(engine_v1_common::GameAction::Left));
+}
+
+#[test]
+fn vertical_swipe_uses_dominant_axis() {
+    let input = super::apply_swipe_direction(engine_v1_common::InputState::none(), Some(pointer(0.5, 0.8)), pointer(0.55, 0.2));
+    assert!(input.is_active(engine_v1_common::GameAction::Up));
+}