Mesh Component

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What’s wrong with this? Trying to create a dynamic cube from a triangle strip primitive. Sometimes the cube shows up right, other times vertices seem like they are out into infinity.

https://gfycat.com/impossibledisfiguredbandicoot

/gen/custom.script

local function fill_positions_strip(self, verts)

    for key, value in ipairs(verts) do
        self.positions[key] = verts[key]
    end

end

function init(self)
    
    self.res = go.get("#mesh", "vertices")
    print(self.res)
    
    self.buffer = resource.get_buffer(self.res)
    print(self.buffer)
    
    self.positions = buffer.get_stream(self.buffer, "position")
    print(self.positions)

    -- if the buffer has some data you could change these values here
    -- self.positions[1] = self.positions[1] + dt

    -- create a new buffer, since the one in the resource doesn't have enough size
    self.new_buffer = buffer.create(3 * 14, {
        { name = hash("position"),
         type=buffer.VALUE_TYPE_FLOAT32,
         count = 3 }
    })

    -- get the position stream
    self.positions = buffer.get_stream(self.new_buffer, "position")


    local verts2 = {
        0, 0, 0,
        0, 1, 0,
        1, 0, 0,
        1, 1, 0,
        1, 1, 1,
        0, 1, 0,
        0, 1, 1,
        0, 0, 1,
        1, 1, 1,
        1, 0, 1,
        1, 0, 0,
        0, 0, 1,
        0, 0, 0,
        0, 1, 0
    }


    fill_positions_strip(self, verts2)

    resource.set_buffer(self.res, self.new_buffer)

end

function update(self, dt)

end

MeshTest.zip (241.6 KB)

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