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36 lines
952 B
Plaintext
36 lines
952 B
Plaintext
attribute vec2 m_Position;
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attribute vec4 m_Colour;
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attribute vec2 m_TexCoord;
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attribute vec4 m_TexRect;
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attribute float m_Time;
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varying vec2 v_DrawingPosition;
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varying vec2 v_MaskingPosition;
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varying vec4 v_Colour;
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varying vec2 v_TexCoord;
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varying vec4 v_TexRect;
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uniform mat4 g_ProjMatrix;
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uniform mat3 g_ToMaskingSpace;
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uniform mat3 g_ToDrawingSpace;
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uniform float g_FadeClock;
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void main(void)
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{
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// Transform to position to masking space.
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vec3 maskingPos = g_ToMaskingSpace * vec3(m_Position, 1.0);
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v_MaskingPosition = maskingPos.xy / maskingPos.z;
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// Transform to position to masking space.
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vec3 drawingPos = g_ToDrawingSpace * vec3(m_Position, 1.0);
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v_DrawingPosition = drawingPos.xy / drawingPos.z;
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v_Colour = vec4(m_Colour.rgb, m_Colour.a * clamp(m_Time - g_FadeClock, 0.0, 1.0));
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v_TexCoord = m_TexCoord;
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v_TexRect = m_TexRect;
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gl_Position = g_ProjMatrix * vec4(m_Position, 1.0, 1.0);
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}
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