57 lines
1.3 KiB
Plaintext
57 lines
1.3 KiB
Plaintext
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layout (location = 0) in vec2 i_pos;
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layout (location = 1) in vec2 i_size;
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layout (location = 2) in vec4 i_bgcolor;
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layout (location = 3) in vec4 i_fgcolor;
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layout (location = 4) in float i_value;
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layout (location = 5) in float i_prev_value;
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out vec2 v_pos;
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out vec2 v_size;
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out vec2 v_aa;
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out vec2 v_dp;
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out vec4 v_color;
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void main() {
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const vec2[] verts = vec2[](
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vec2(-1., 1.),
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vec2(-1., -1.),
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vec2( 1., -1.),
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vec2(-1., 1.),
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vec2( 1., -1.),
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vec2( 1., 1.)
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);
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float scale = (uni.cam * vec4(1., 0., 0., 0.)).x;
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scale = pow(1.2, scale-1.);
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v_pos = i_pos;
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v_size = i_size;
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int id = 0;
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if (gl_VertexID < 6) {
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id = gl_VertexID;
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v_size += vec2(2.)/uni.resolution;
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v_color = i_bgcolor;
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} else if (gl_VertexID < 12) {
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id = gl_VertexID - 6;
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v_pos.x -= v_size.x*(1.-i_prev_value);
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v_size.x *= i_prev_value;
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v_color = mix(i_bgcolor, i_fgcolor, .5);
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} else {
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id = gl_VertexID - 12;
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v_pos.x -= v_size.x*(1.-i_value);
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v_size.x *= i_value;
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v_color = i_fgcolor;
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}
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v_pos *= scale;
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v_size *= scale;
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v_size = abs(v_size);
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v_aa = uni.aa / v_size;
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v_dp = verts[id]*1.5*v_size + v_pos;
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v_dp /= pow(length(v_dp), .1);
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gl_Position = vec4(v_dp, 0., 1.);
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}
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