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May 24, 2020 14:05
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Defold tanks spawn
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| go.property("spawn_interval", 2) | |
| go.property("max_speed", 100) | |
| function init(self) | |
| msg.post(".", "acquire_input_focus") | |
| self.moving = false | |
| self.firing = false | |
| self.input = vmath.vector3() | |
| self.dir = vmath.vector3(0, 1, 0) | |
| self.speed = self.max_speed | |
| self.timer = self.spawn_interval | |
| self.score = 0 | |
| end | |
| function final(self) | |
| msg.post(".", "release_input_focus") | |
| end | |
| function update(self, dt) | |
| if self.moving then | |
| local pos = go.get_position() | |
| pos = pos + self.dir * self.speed * dt | |
| go.set_position(pos) | |
| end | |
| if self.firing then | |
| local angle = math.atan2(self.dir.y, self.dir.x) -- [1] | |
| local pos = go.get_position() | |
| local rot = vmath.quat_rotation_z(angle) -- [2] | |
| local props = { dir = self.dir } -- [3] | |
| factory.create("#rocketFactory", pos, rot, props) -- [4] | |
| end | |
| self.input.x = 0 | |
| self.input.y = 0 | |
| self.moving = false | |
| self.speed = self.max_speed | |
| self.firing = false | |
| self.timer = self.timer - dt | |
| if self.timer < 0 then | |
| local angle = math.atan2(self.dir.y, self.dir.x) -- [1] | |
| local pos = go.get_position() | |
| pos.x = math.random(550) + 50 | |
| pos.y = math.random(400) + 50 | |
| local rot = vmath.quat_rotation_z(angle) -- [2] | |
| factory.create("#tankFactory", pos, rot) -- [4] | |
| self.timer = self.spawn_interval | |
| end | |
| end |
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| function on_message(self, message_id, message, sender) | |
| if message_id == hash("contact_point_response") then | |
| local currentpos = go.get_position() | |
| -- 2.1 is a strange magic number here... TODO | |
| local newpos = currentpos + (message.normal * message.distance * 2.1) | |
| go.set_position(newpos) | |
| end | |
| end |
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