Namespaces |
namespace | cinder |
namespace | cinder::gl |
Functions |
void | cinder::gl::initializeGlee () |
| Initializes the GLee library. This is generally called automatically by the application and is only necessary if you need to use GLee before your app's setup() method is called.
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void | cinder::gl::clear (const ColorA &color=ColorA::black(), bool clearDepthBuffer=true) |
| Clears the OpenGL color buffer using color and optionally clears the depth buffer when clearDepthBuffer.
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void | cinder::gl::setModelView (const Camera &cam) |
| Sets the MODELVIEW matrix to reflect the values of cam. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::setProjection (const Camera &cam) |
| Sets the PROJECTION matrix to reflect the values of cam. Leaves the MatrixMode as PROJECTION .
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void | cinder::gl::setMatrices (const Camera &cam) |
| Sets the MODELVIEW and PROJECTION matrices to reflect the values of cam. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::pushModelView () |
| Pushes the MODELVIEW matrix onto its stack, preserving the current values. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::popModelView () |
| Pops the MODELVIEW matrix off of its stack, restoring the values saved with the previous push. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::pushModelView (const Camera &cam) |
| Pushes the MODELVIEW matrix onto its stack, preserving the current values, and then sets the matrix to reflect cam. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::pushProjection (const Camera &cam) |
| Pushes the PROJECTION matrix onto its stack, preserving the current values, and then sets the matrix to reflect cam. Leaves the MatrixMode as PROJECTION .
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void | cinder::gl::pushMatrices () |
| Pushes the MODELVIEW and PROJECTION matrices onto their stacks, preserving the current values. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::popMatrices () |
| Pops the MODELVIEW and PROJECTION matrices off their stacks, restoring the values saved with the previous push. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::multModelView (const Matrix44f &mtx) |
| Multiplies the current MODELVIEW matrix with mtx. Leaves the MatrixMode as MODELVIEW .
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void | cinder::gl::multProjection (const Matrix44f &mtx) |
| Multiplies the current PROJECTION matrix with mtx. Leaves the MatrixMode as MODELVIEW .
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Matrix44f | cinder::gl::getModelView () |
| Returns the value of the current MODELVIEW matrix as a Matrix44f.
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Matrix44f | cinder::gl::getProjection () |
| Returns the value of the current PROJECTION matrix as a Matrix44f.
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void | cinder::gl::setMatricesWindowPersp (int screenWidth, int screenHeight, float fovDegrees=60.0f, float nearPlane=1.0f, float farPlane=1000.0f, bool originUpperLeft=true) |
| Sets the viepwort and MODELVIEW and PROJECTION matrices to be a perspective projection with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight], but flipped vertically if not originUpperLeft.
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void | cinder::gl::setMatricesWindow (int screenWidth, int screenHeight, bool originUpperLeft=true) |
| Sets the viewport and MODELVIEW and PROJECTION matrices to orthographic with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight] if originUpperLeft is true . Otherwise the origin is in the lower right.
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Area | cinder::gl::getViewport () |
| Returns the current OpenGL Viewport as an Area.
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void | cinder::gl::setViewport (const Area &area) |
| Sets the current OpenGL Viewport to area.
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void | cinder::gl::translate (const Vec2f &pos) |
| Produces a translation by pos in the current matrix.
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void | cinder::gl::translate (const Vec3f &pos) |
| Produces a translation by pos in the current matrix.
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void | cinder::gl::scale (const Vec3f &scale) |
| Produces a scale by pos in the current matrix.
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void | cinder::gl::rotate (const Vec3f &xyz) |
| Produces a rotation around the X-axis by xyz.x degrees, the Y-axis by xyz.y degrees and the Z-axis by xyz.z degrees in the current matrix. Processed in X-Y-Z order.
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void | cinder::gl::rotate (const Quatf &quat) |
| Produces a rotation by the quaternion quat in the current matrix.
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void | cinder::gl::enableAlphaBlending (bool premultiplied=false) |
| Enables alpha blending. Selects a BlendFunc that is appropriate for premultiplied-alpha when premultiplied.
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void | cinder::gl::disableAlphaBlending () |
| Disables alpha blending.
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void | cinder::gl::enableAdditiveBlending () |
| Enables alpha blending and selects a BlendFunc for additive blending.
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void | cinder::gl::enableAlphaTest (float value=0.5f, int func=GL_GREATER) |
| Enables alpha testing and sets the AlphaFunc to test for values which are func than value, which should be in the range [0, 1.0]. Possible values for func include GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL, GL_GREATER, GL_NOTEQUAL, GL_GEQUAL and GL_ALWAYS .
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void | cinder::gl::disableAlphaTest () |
| Disables alpha testing.
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void | cinder::gl::enableWireframe () |
| Enables wireframe drawing by setting the PolygonMode to GL_LINE .
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void | cinder::gl::disableWireframe () |
| Disables wireframe drawing.
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void | cinder::gl::disableDepthRead () |
| Disables reading from the depth buffer, disabling z-testing.
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void | cinder::gl::enableDepthRead (bool enable=true) |
| Enables reading from the depth buffer when enable, enabling z-testing.
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void | cinder::gl::enableDepthWrite (bool enable=true) |
| Enables writing to the depth buffer when enable.
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void | cinder::gl::disableDepthWrite () |
| Disables writing to the depth buffer.
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void | cinder::gl::drawLine (const Vec2f &start, const Vec2f &end) |
| Draws a line from start to end.
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void | cinder::gl::drawLine (const Vec3f &start, const Vec3f &end) |
| Draws a line from start to end.
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void | cinder::gl::drawCube (const Vec3f ¢er, const Vec3f &size) |
| Renders a solid cube centered at center of size size. Normals and created texture coordinates are generated for GL_TEXTURE_2D , with each face in the range [0,0] - [1.0,1.0].
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void | cinder::gl::drawColorCube (const Vec3f ¢er, const Vec3f &size) |
| Renders a solid cube centered at center of size size. Each face is assigned a unique color, and no normals or texture coordinates are generated.
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void | cinder::gl::drawSphere (const Vec3f ¢er, float radius, int segments=12) |
| Renders a solid sphere centered at center of radius radius. segments defines how many segments the sphere is subdivided into. Normals and texture coordinates in the range [0,1] are generated.
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void | cinder::gl::draw (const class Sphere &sphere, int segments=12) |
| Renders a solid sphere. segments defines how many segments the sphere is subdivided into. Normals and texture coordinates in the range [0,1] are generated.
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void | cinder::gl::drawSolidCircle (const Vec2f ¢er, float radius, int numSegments=0) |
| Renders a solid circle using triangle fans. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference.
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void | cinder::gl::drawStrokedCircle (const Vec2f ¢er, float radius, int numSegments=0) |
| Renders a stroked circle using a line loop. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference.
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void | cinder::gl::drawSolidRect (const Rectf &rect, bool textureRectangle=false) |
| Renders a solid rectangle. Texture coordinates in the range [0,1] are generated unless textureRectangle.
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void | cinder::gl::drawCoordinateFrame (float axisLength=1.0f, float headLength=0.2f, float headRadius=0.05f) |
| Renders a coordinate frame representation centered at the origin. Arrowheads are drawn at the end of each axis with radius headRadius and length headLength.
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void | cinder::gl::drawVector (const Vec3f &start, const Vec3f &end, float headLength=0.2f, float headRadius=0.05f) |
| Draws a vector starting at start and ending at end. An arrowhead is drawn at the end of radius headRadius and length headLength.
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void | cinder::gl::drawFrustum (const Camera &cam) |
| Draws a wireframe representation of the frustum defined by cam.
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void | cinder::gl::drawTorus (float outterRadius, float innerRadius, int longitudeSegments=12, int latitudeSegments=12) |
| Draws a torus at the origin, with an outter radius outterRadius and an inner radius innerRadius, subdivided into longitudeSegments and latitudeSegments. Normals and texture coordinates in the range [0,1] are generated.
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void | cinder::gl::draw (const PolyLine< Vec2f > &polyLine) |
void | cinder::gl::draw (const TriMesh &mesh) |
| Draws a cinder::TriMesh mesh at the origin.
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void | cinder::gl::drawRange (const TriMesh &mesh, size_t startTriangle, size_t triangleCount) |
| Draws a range of triangles starting with triangle # startTriangle and a count of triangleCount from cinder::TriMesh mesh at the origin.
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void | cinder::gl::draw (const VboMesh &vbo) |
| Draws a cinder::gl::VboMesh mesh at the origin.
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void | cinder::gl::drawRange (const VboMesh &vbo, size_t startIndex, size_t indexCount, int vertexStart=-1, int vertexEnd=-1) |
| Draws a range of vertices and elements of cinder::gl::VboMesh mesh at the origin. Default parameters for vertexStart and vertexEnd imply the VboMesh's full range of vertices.
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void | cinder::gl::drawArrays (const VboMesh &vbo, GLint first, GLsizei count) |
| Draws a range of elements from a cinder::gl::VboMesh vbo.
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void | cinder::gl::drawBillboard (const Vec3f &pos, const Vec2f &scale, float rotationDegrees, const Vec3f &bbRight, const Vec3f &bbUp) |
| Draws a textured quad of size scale that is aligned with the vectors bbRight and bbUp at pos, rotated by rotationDegrees around the vector orthogonal to bbRight and bbUp.
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void | cinder::gl::draw (const Texture &texture) |
| Draws texture on the XY-plane.
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void | cinder::gl::draw (const Texture &texture, const Vec2f &pos) |
| Draws texture on the XY-plane at pos.
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void | cinder::gl::draw (const Texture &texture, const Rectf &rect) |
| Draws texture on the XY-plane in the rectangle defined by rect.
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void | cinder::gl::draw (const Texture &texture, const Area &srcArea, const Rectf &destRect) |
| Draws the pixels inside srcArea of texture on the XY-plane in the rectangle defined by destRect.
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void | cinder::gl::drawString (const std::string &str, const Vec2f &pos, const ColorA &color=ColorA(1, 1, 1, 1), Font font=Font()) |
| Draws a string str with its lower left corner located at pos. Optional font and color affect the style.
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void | cinder::gl::drawStringCentered (const std::string &str, const Vec2f &pos, const ColorA &color=ColorA(1, 1, 1, 1), Font font=Font()) |
| Draws a string str with the horizontal center of its baseline located at pos. Optional font and color affect the style.
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void | cinder::gl::drawStringRight (const std::string &str, const Vec2f &pos, const ColorA &color=ColorA(1, 1, 1, 1), Font font=Font()) |
| Draws a right-justified string str with the center of its located at pos. Optional font and color affect the style.
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