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[Fix] Nebulae overlay.

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This commit is contained in:
Allanis 2013-07-21 15:35:30 +01:00
parent 1dfb561e24
commit ea3573404f
1 changed files with 20 additions and 16 deletions
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36
src/nebulae.c
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@ -240,45 +240,49 @@ void nebu_renderOverlay(double density) {
glEnd(); /* GL_TRIANGLE_FAN */
glShadeModel(GL_FLAT);
ACOLOUR(cPurple, 1.);
/* Stuff player can't see. */
glBegin(GL_TRIANGLE_STRIP);
ACOLOUR(cPurple, 1.);
/* Start at the left. */
glBegin(GL_TRIANGLE_FAN);
/* Top left. */
glVertex2d(-SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
glVertex2d(-density, 0.);
glVertex2d(-density*COS225, density*SIN225);
glVertex2d(-SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
glVertex2d(-density*ANG45, density*ANG45);
glVertex2d(-density*SIN225, density*COS225);
glVertex2d(-SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
glVertex2d(0., density);
glVertex2d( SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
glEnd(); /* GL_TRIANGLE_FAN */
glBegin(GL_TRIANGLE_FAN);
/* Top right. */
glVertex2d( SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
/* Move to the top. */
glVertex2d( 0., density);
glVertex2d( density*SIN225, density*COS225);
glVertex2d( SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
glVertex2d( density*ANG45, density*ANG45);
glVertex2d( density*COS225, density*SIN225);
glVertex2d( SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
/* Down to the right. */
glVertex2d( density, 0.);
glVertex2d( SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
glVertex2d( density*COS225, -density*SIN225);
glEnd(); /* GL_TRIANGLE_FAN */
glBegin(GL_TRIANGLE_FAN);
/* Bottom right. */
glVertex2d( SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
glVertex2d( density, 0.);
glVertex2d( density*COS225, -density*SIN225);
glVertex2d( density*ANG45, -density*ANG45);
glVertex2d( density*SIN225, -density*COS225);
glVertex2d( SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
glVertex2d( 0., -density);
glVertex2d( -SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
glEnd(); /* GL_TRIANGLE_FAN */
glBegin(GL_TRIANGLE_FAN);
/* Bottom left */
glVertex2d( -SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
/* At the bottom. */
glVertex2d( 0., -density);
glVertex2d(-density*SIN225, -density*COS225);
glVertex2d(-SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
glVertex2d(-density*ANG45, -density*ANG45);
glVertex2d(-density*COS225, -density*SIN225);
glVertex2d(-SCREEN_W/2.-gui_xoff, -SCREEN_H/2.-gui_yoff);
/* Back to origin. */
glVertex2d(-density, 0.);
glVertex2d(-SCREEN_W/2.-gui_xoff, SCREEN_H/2.-gui_yoff);
glEnd(); /* GL_QUAD_STRIP */
glEnd(); /* GL_TRIANGLE_FAN */
glPopMatrix();