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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| <Panda> | ||
| <Data name="render size" y="600" x="800"/> | ||
| <Data name="background color" b="1" g="1" r="1" a="1"/> | ||
| <Data name="timestep" real="0.01"/> | ||
| <Data name="use timer" int="0"/> | ||
| <Data name="use multithread" int="0"/> | ||
| <Object index="1" y="253" type="panda::ModifierShader_SetUniform" x="530"> | ||
| <CreatedData type="real"/> | ||
| <Data name="name #1">time</Data> | ||
| </Object> | ||
| <Object index="2" y="287" type="panda::GeneratorNumber_AnimationTime" x="362"/> | ||
| <Object index="3" y="227" type="panda::GeneratorUser<panda::types::Shader>" x="362"> | ||
| <Data name="input" widgetData="Vertex;Fragment"> | ||
| <Source type="1">#version 330 | ||
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| in vec2 vertex; | ||
| in vec2 texCoord; | ||
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| uniform mat4 MVP; | ||
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| out vec2 f_texCoord; | ||
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| void main(void) | ||
| { | ||
| f_texCoord = texCoord; | ||
| gl_Position = MVP * vec4(vertex, 0, 1); | ||
| }</Source> | ||
| <Source type="2">#version 330 | ||
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| in vec2 f_texCoord; | ||
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| uniform float time; | ||
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| out vec4 fragColor; | ||
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| const float pi = 3.1415926535897932384626433832795; | ||
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| void main() | ||
| { | ||
| vec2 p = f_texCoord.st * 6.0; | ||
| vec3 col = vec3( 0.0, 0.0, 0.0 ); | ||
| float ca = 0.0; | ||
| for( int j = 1; j < 2; j++ ) | ||
| { | ||
| float jj = float( j ); | ||
|
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| for( int i = 1; i < 6; i++ ) | ||
| { | ||
| vec2 newp = p * 0.9; | ||
| float ii = float( i ); | ||
| newp.x += 1.2 / ( ii + jj) * cos( ii * p.y + time + 5 * ( jj / ii ) ) - 1; | ||
| newp.y += 1.2 / ( ii + jj ) * sin( ii * p.x + time + 5 * ( jj / ii ) ) + 1; | ||
| p=newp; | ||
| } | ||
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| p *= 0.95; | ||
| col += vec3( 0.5 * sin( pi * p.x) + 0.5, 0.5 * sin( pi * p.y ) + 0.5, 0.5 * sin( pi * p.x ) * cos( pi * p.y ) + 0.5 ); | ||
| ca += 0.8; | ||
| } | ||
| col /= ca; | ||
| fragColor = vec4( col * col, 1.0 ); | ||
| }</Source> | ||
| </Data> | ||
| </Object> | ||
| <Object index="4" y="184.5" type="panda::GeneratorRect_RenderArea" x="530"/> | ||
| <Object index="5" y="223" type="panda::RenderFilledRect" x="676.5"/> | ||
| <Object dy="100" index="6" y="227.75" type="panda::Annotation" x="252.25" dx="200"> | ||
| <Data name="text">Modified the fragment shader to render nice colors.</Data> | ||
| </Object> | ||
| <Object dy="100" index="7" y="367.75" type="panda::Annotation" x="332.25" dx="200"> | ||
| <Data name="text">Use the time to animate the shader</Data> | ||
| </Object> | ||
| <Object dy="100" index="8" y="216.25" type="panda::Annotation" x="665.75" dx="200"> | ||
| <Data name="text">Render the whole area with the custom shader</Data> | ||
| </Object> | ||
| <Link data1="input" object1="1" object2="3" data2="value"/> | ||
| <Link data1="value #1" object1="1" object2="2" data2="time"/> | ||
| <Link data1="rectangle" object1="5" object2="4" data2="area"/> | ||
| <Link data1="shader" object1="5" object2="1" data2="output"/> | ||
| </Panda> |
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