39 lines
2.7 KiB
Standard ML
39 lines
2.7 KiB
Standard ML
structure AsciiEquals =
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struct
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fun lerp (startX, startY, drawWidth, drawHeight, windowWidth, windowHeight, r, g, b) : Real32.real vector =
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let
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val startX = Real32.fromInt startX
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val startY = Real32.fromInt startY
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val endY = windowHeight - startY
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val startY = windowHeight - (startY + drawHeight)
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val endX = startX + drawWidth
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val windowHeight = windowHeight / 2.0
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val windowWidth = windowWidth / 2.0
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in
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#[ (((startX * (1.0 - 0.66666662693)) + (endX * 0.66666662693)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.33333337307)) + (endY * 0.33333337307)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.66666662693)) + (endX * 0.66666662693)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.400000035763)) + (endY * 0.400000035763)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.333333313465)) + (endX * 0.333333313465)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.400000035763)) + (endY * 0.400000035763)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.333333313465)) + (endX * 0.333333313465)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.400000035763)) + (endY * 0.400000035763)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.333333313465)) + (endX * 0.333333313465)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.33333337307)) + (endY * 0.33333337307)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.66666662693)) + (endX * 0.66666662693)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.33333337307)) + (endY * 0.33333337307)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.66666662693)) + (endX * 0.66666662693)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.466666638851)) + (endY * 0.466666638851)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.333333313465)) + (endX * 0.333333313465)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.466666638851)) + (endY * 0.466666638851)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.333333313465)) + (endX * 0.333333313465)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.533333361149)) + (endY * 0.533333361149)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.333333313465)) + (endX * 0.333333313465)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.533333361149)) + (endY * 0.533333361149)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.66666662693)) + (endX * 0.66666662693)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.533333361149)) + (endY * 0.533333361149)) / windowHeight) - 1.0, r, g, b,
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(((startX * (1.0 - 0.66666662693)) + (endX * 0.66666662693)) / windowWidth) - 1.0,
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(((startY * (1.0 - 0.466666638851)) + (endY * 0.466666638851)) / windowHeight) - 1.0, r, g, b
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]
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end
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end |