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remove hardcoded buttonVec, so later I can upload new vector data programmatically

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Humza Shahid
2024-07-31 08:44:14 +01:00
parent 5525725ef3
commit 6edb4f2556
2 changed files with 2 additions and 15 deletions
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imperative-shell/app-draw.sml
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@@ -65,16 +65,6 @@ struct
()
end
val buttonVec =
#[ 0.5, 0.5, 1.0, 0.0, 0.0
, 0.5, ~0.5, 1.0, 0.0, 0.0
, ~0.5, 0.5, 1.0, 0.0, 0.0
, 0.5, ~0.5, 0.0, 0.0, 1.0
, ~0.5, ~0.5, 0.0, 0.0, 1.0
, ~0.5, 0.5, 0.0, 0.0, 1.0
]
fun initButton () =
let
val buttonDrawObject = initDrawObject
@@ -84,9 +74,7 @@ struct
val {vertexBuffer, program, ...} = buttonDrawObject
val _ = Gles3.bindBuffer vertexBuffer
val _ =
Gles3.bufferData
(buttonVec, Vector.length buttonVec, Gles3.STATIC_DRAW ())
val _ = Gles3.bufferData (#[], 0, Gles3.STATIC_DRAW ())
val _ = Gles3.vertexAttribPointer (0, 2, 5, 0)
val _ = Gles3.enableVertexAttribArray 0
@@ -114,8 +102,7 @@ struct
val _ = Gles3.vertexAttribPointer (1, 3, 5, 8)
val _ = Gles3.enableVertexAttribArray 1
val _ = Gles3.useProgram program
val _ = Gles3.drawArrays
(Gles3.TRIANGLES (), 0, Vector.length buttonVec div 5)
val _ = Gles3.drawArrays (Gles3.TRIANGLES (), 0, Vector.length vec div 5)
in
()
end