70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
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#include "scene/SkyDome.h"
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//#include <osgOcean/ShaderManager>
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SkyDome::SkyDome(void) {
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}
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SkyDome::SkyDome(const SkyDome& copy, const osg::CopyOp& copyop) :
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SphereSegment(copy, copyop) {
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}
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SkyDome::SkyDome(float radius, unsigned int longSteps, unsigned int latSteps, osg::TextureCubeMap* cubemap) {
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Compute(radius, longSteps, latSteps, 90.f, 180.f, 0.f, 360.f);
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SetupStateSet(cubemap);
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}
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SkyDome::~SkyDome(void) {}
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void SkyDome::Create(float radius, unsigned int latSteps, unsigned int longSteps, osg::TextureCubeMap* cubemap) {
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Compute(radius, longSteps, latSteps, 90.f, 180.f, 0.f, 360.f);
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SetupStateSet(cubemap);
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}
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void SkyDome::SetupStateSet(osg::TextureCubeMap* cubemap) {
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osg::StateSet* ss = new osg::StateSet;
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ss->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
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ss->setTextureAttributeAndModes(0, cubemap, osg::StateAttribute::ON);
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ss->setAttributeAndModes(createShader().get(), osg::StateAttribute::ON);
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ss->addUniform(new osg::Uniform("uEnvironmentMap", 0));
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setStateSet(ss);
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}
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osg::ref_ptr<osg::Program> SkyDome::createShader(void) {
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osg::ref_ptr<osg::Program> program = new osg::Program;
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// Do not use shaders if they were globally disabled.
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/* if (osgOcean::ShaderManager::instance().areShadersEnabled()) {
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char vertexSource[] =
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"varying vec3 vTexCoord;\n"
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"\n"
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"void main(void)\n"
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"{\n"
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" gl_Position = ftransform();\n"
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" vTexCoord = gl_Vertex.xyz;\n"
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"}\n";
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char fragmentSource[] =
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"uniform samplerCube uEnvironmentMap;\n"
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"varying vec3 vTexCoord;\n"
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"\n"
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"void main(void)\n"
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"{\n"
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" vec3 texcoord = vec3(vTexCoord.x, vTexCoord.y, -vTexCoord.z);\n"
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" gl_FragData[0] = textureCube( uEnvironmentMap, texcoord.xzy );\n"
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" gl_FragData[0].a = 0.0;\n"
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" gl_FragData[1] = vec4(0.0);\n"
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"}\n";
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program->setName("sky_dome_shader");
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program->addShader(new osg::Shader(osg::Shader::VERTEX, vertexSource));
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program->addShader(new osg::Shader(osg::Shader::FRAGMENT, fragmentSource));
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}*/
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return program;
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}
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