-
Notifications
You must be signed in to change notification settings - Fork 11
/
moving.go
38 lines (34 loc) · 1.4 KB
/
moving.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mixins
import (
"github.com/divVerent/aaaaxy/internal/engine"
"github.com/divVerent/aaaaxy/internal/game/constants"
"github.com/divVerent/aaaaxy/internal/level"
m "github.com/divVerent/aaaaxy/internal/math"
"github.com/divVerent/aaaaxy/internal/propmap"
)
// Moving is a physics object with initial velocity. That's all.
type Moving struct {
Physics
TouchedSomething bool
}
func (v *Moving) Init(w *engine.World, sp *level.SpawnableProps, e *engine.Entity, contents level.Contents, handleTouch func(engine.TraceResult)) error {
v.Physics.Init(w, e, contents, handleTouch)
var parseErr error
vel := propmap.ValueOrP(sp.Properties, "velocity", m.Delta{}, &parseErr)
v.Physics.Velocity = e.Transform.Inverse().Apply(
vel.MulFracFixed(m.NewFixed(constants.SubPixelScale), m.NewFixed(engine.GameTPS)))
return parseErr
}