fixing bug where heading can be 0
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parent
e02c5f89fb
commit
2edc7c61af
11
player.go
11
player.go
@ -95,13 +95,18 @@ func (p *player) nudge(g *game) {
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// We may have been stopped before this and had no heading
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current_heading = p.Robot.MoveTo.Sub(p.Robot.Position).Normalize()
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}
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// Where do we WANT to be heading?
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new_heading := p.Robot.MoveTo.Sub(p.Robot.Position).Normalize()
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// Is our direction change too much? Hard coding to 5 degrees/s for now
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angle := v.Angle(current_heading, new_heading) * v.Rad2deg
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dir := 1.0
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if angle < 0 {
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dir = -1.0
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}
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// Max turn radius in this case is 100 degrees per second
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if math.Abs(angle) > (100 * delta) {
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// New heading should be a little less, take current heading and
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// rotate by the max turn radius per frame.
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@ -120,7 +125,11 @@ func (p *player) nudge(g *game) {
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p.Robot.Heading = v.Vector2d{X: 0, Y: 0}
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} else {
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p.Robot.Position = p.Robot.Position.Add(move_vector)
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p.Robot.Heading = new_heading
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if new_heading.Mag() > 0 {
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p.Robot.Heading = new_heading
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} else {
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log.Printf("Zero Heading %v", new_heading)
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}
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}
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}
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