Last change
on this file since 12091 was
12091,
checked in by wiesep, 6 years ago
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Updated programs and adjusted Material to work with GLSL>150
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File size:
633 bytes
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Line | |
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1 | #version 300 es |
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2 | precision mediump int; |
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3 | precision mediump float; |
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4 | |
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5 | out vec4 fragColour; |
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6 | |
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7 | uniform sampler2D RT; |
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8 | uniform lowp sampler3D noiseVol; |
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9 | |
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10 | in vec2 oUv0; |
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11 | uniform vec4 lum; |
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12 | uniform float time; |
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13 | |
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14 | void main() |
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15 | { |
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16 | vec4 oC; |
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17 | oC = texture(RT, oUv0); |
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18 | |
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19 | //obtain luminence value |
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20 | oC = vec4(dot(oC,lum)); |
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21 | |
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22 | //add some random noise |
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23 | oC += 0.2 *(texture(noiseVol, vec3(oUv0*5.0,time)))- 0.05; |
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24 | |
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25 | //add lens circle effect |
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26 | //(could be optimised by using texture) |
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27 | float dist = distance(oUv0, vec2(0.5,0.5)); |
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28 | oC *= smoothstep(0.5,0.45,dist); |
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29 | |
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30 | //add rb to the brightest pixels |
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31 | oC.rb = vec2(max(oC.r - 0.75, 0.0)*4.0); |
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32 | |
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33 | fragColour = oC; |
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34 | } |
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