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author | inmarket <andrewh@inmarket.com.au> | 2014-08-20 17:44:40 +1000 |
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committer | inmarket <andrewh@inmarket.com.au> | 2014-08-20 17:44:40 +1000 |
commit | 2b47a0708602b45b0b5db120a496bf92232aa4b1 (patch) | |
tree | 6c5965b6bf1d109b853efe64777bbc7ee5548882 /3rdparty/tinygl-0.4-ugfx/examples/spin.c | |
parent | c06bff3304ed234c3a7f96fd049755ac59228ef7 (diff) | |
parent | 0f3f8f68f87233bf59c3fa68c3dfe1f492a1a478 (diff) | |
download | uGFX-2b47a0708602b45b0b5db120a496bf92232aa4b1.tar.gz uGFX-2b47a0708602b45b0b5db120a496bf92232aa4b1.tar.bz2 uGFX-2b47a0708602b45b0b5db120a496bf92232aa4b1.zip |
Merge branch 'master' into newmouse
Diffstat (limited to '3rdparty/tinygl-0.4-ugfx/examples/spin.c')
-rw-r--r-- | 3rdparty/tinygl-0.4-ugfx/examples/spin.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/3rdparty/tinygl-0.4-ugfx/examples/spin.c b/3rdparty/tinygl-0.4-ugfx/examples/spin.c new file mode 100644 index 00000000..339bf003 --- /dev/null +++ b/3rdparty/tinygl-0.4-ugfx/examples/spin.c @@ -0,0 +1,160 @@ +/* spin.c */ + + +/* + * Spinning box. This program is in the public domain. + * + * Brian Paul + */ + + +#include <math.h> +#include <stdio.h> + +#include <GL/glx.h> +#include <GL/gl.h> +#include "ui.h" + + + + +static GLfloat Xrot, Xstep; +static GLfloat Yrot, Ystep; +static GLfloat Zrot, Zstep; +static GLfloat Step = 5.0; +static GLfloat Scale = 1.0; +static GLuint Object; + + + + +static GLuint make_object( void ) +{ + GLuint list; + + list = glGenLists( 1 ); + + glNewList( list, GL_COMPILE ); + + glBegin( GL_LINE_LOOP ); + glColor3f( 1.0, 1.0, 1.0 ); + glVertex3f( 1.0, 0.5, -0.4 ); + glColor3f( 1.0, 0.0, 0.0 ); + glVertex3f( 1.0, -0.5, -0.4 ); + glColor3f( 0.0, 1.0, 0.0 ); + glVertex3f( -1.0, -0.5, -0.4 ); + glColor3f( 0.0, 0.0, 1.0 ); + glVertex3f( -1.0, 0.5, -0.4 ); + glEnd(); + + glColor3f( 1.0, 1.0, 1.0 ); + + glBegin( GL_LINE_LOOP ); + glVertex3f( 1.0, 0.5, 0.4 ); + glVertex3f( 1.0, -0.5, 0.4 ); + glVertex3f( -1.0, -0.5, 0.4 ); + glVertex3f( -1.0, 0.5, 0.4 ); + glEnd(); + + glBegin( GL_LINES ); + glVertex3f( 1.0, 0.5, -0.4 ); glVertex3f( 1.0, 0.5, 0.4 ); + glVertex3f( 1.0, -0.5, -0.4 ); glVertex3f( 1.0, -0.5, 0.4 ); + glVertex3f( -1.0, -0.5, -0.4 ); glVertex3f( -1.0, -0.5, 0.4 ); + glVertex3f( -1.0, 0.5, -0.4 ); glVertex3f( -1.0, 0.5, 0.4 ); + glEnd(); + + + glEndList(); + + return list; +} + + + +void reshape( int width, int height ) +{ + glViewport(0, 0, (GLint)width, (GLint)height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); + glMatrixMode(GL_MODELVIEW); +} + + +GLenum key(int k, GLenum mask) +{ + switch (k) { + case KEY_ESCAPE: + exit(0); + } + return GL_FALSE; +} + + +void draw( void ) +{ + glClear( GL_COLOR_BUFFER_BIT ); + + glPushMatrix(); + + glTranslatef( 0.0, 0.0, -10.0 ); + glScalef( Scale, Scale, Scale ); + if (Xstep) { + glRotatef( Xrot, 1.0, 0.0, 0.0 ); + } + else if (Ystep) { + glRotatef( Yrot, 0.0, 1.0, 0.0 ); + } + else { + glRotatef( Zrot, 0.0, 0.0, 1.0 ); + } + + glCallList( Object ); + + glPopMatrix(); + + glFlush(); + tkSwapBuffers(); +} + + +void idle( void ) +{ + Xrot += Xstep; + Yrot += Ystep; + Zrot += Zstep; + + if (Xrot>=360.0) { + Xrot = Xstep = 0.0; + Ystep = Step; + } + else if (Yrot>=360.0) { + Yrot = Ystep = 0.0; + Zstep = Step; + } + else if (Zrot>=360.0) { + Zrot = Zstep = 0.0; + Xstep = Step; + } + draw(); +} + +void init(void) +{ + Object = make_object(); + glCullFace( GL_BACK ); +/* glEnable( GL_CULL_FACE );*/ + glDisable( GL_DITHER ); + glShadeModel( GL_FLAT ); +/* glEnable( GL_DEPTH_TEST ); */ + + Xrot = Yrot = Zrot = 0.0; + Xstep = Step; + Ystep = Zstep = 0.0; +} + + +int main( int argc, char *argv[] ) +{ + return ui_loop(argc, argv, "spin"); +} |