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[client] render the looking glass logo (almost)

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This commit is contained in:
Geoffrey McRae 2018-07-19 23:33:51 +10:00
parent 53c32cc5a4
commit 023d3f811b
1 changed files with 62 additions and 5 deletions
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67
client/renderers/opengl.c
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@ -22,6 +22,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <stdbool.h>
#include <unistd.h>
#include <malloc.h>
#include <math.h>
#include <SDL2/SDL_ttf.h>
@ -140,7 +141,7 @@ static bool configure(struct Inst * this, SDL_Window *window);
static void update_mouse_shape(struct Inst * this, bool * newShape);
static bool draw_frame(struct Inst * this);
static void draw_mouse(struct Inst * this);
static void render_wait();
static void render_wait(struct Inst * this);
const char * opengl_get_name()
{
@ -427,7 +428,7 @@ bool opengl_render(void * opaque, SDL_Window * window)
if (!configure(this, window))
{
render_wait();
render_wait(this);
SDL_GL_SwapWindow(window);
return true;
}
@ -437,7 +438,7 @@ bool opengl_render(void * opaque, SDL_Window * window)
if (!this->texReady)
{
render_wait();
render_wait(this);
SDL_GL_SwapWindow(window);
return true;
}
@ -582,10 +583,66 @@ bool opengl_render(void * opaque, SDL_Window * window)
return true;
}
static void render_wait()
void draw_torus(float x, float y, float inner, float outer, unsigned int pts)
{
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
glBegin(GL_QUAD_STRIP);
for (unsigned int i = 0; i <= pts; ++i)
{
float angle = (i / (float)pts) * M_PI * 2.0f;
glVertex2f(x + (inner * cos(angle)), y + (inner * sin(angle)));
glVertex2f(x + (outer * cos(angle)), y + (outer * sin(angle)));
}
glEnd();
}
void draw_torus_arc(float x, float y, float inner, float outer, unsigned int pts, float s, float e)
{
glBegin(GL_QUAD_STRIP);
for (unsigned int i = 0; i <= pts; ++i)
{
float angle = s + ((i / (float)pts) * e);
glVertex2f(x + (inner * cos(angle)), y + (inner * sin(angle)));
glVertex2f(x + (outer * cos(angle)), y + (outer * sin(angle)));
}
glEnd();
}
static void render_wait(struct Inst * this)
{
glClearColor(0.234375f, 0.011718f, 0.425781f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glTranslatef(this->window.x / 2.0f, this->window.y / 2.0f, 0.0f);
// glScalef(4.0f, 4.0f, 1.0f);
draw_torus ( 0, 0, 40, 42, 60);
draw_torus ( 0, 0, 32, 34, 60);
draw_torus (-50, -3, 2, 4, 30);
draw_torus ( 50, -3, 2, 4, 30);
draw_torus_arc( 0, 0, 51, 49, 60, 0.0f, M_PI);
glBegin(GL_QUADS);
glVertex2f(-1 , 50);
glVertex2f(-1 , 76);
glVertex2f( 1 , 76);
glVertex2f( 1 , 50);
glVertex2f(-14, 76);
glVertex2f(-14, 78);
glVertex2f( 14, 78);
glVertex2f( 14, 76);
glVertex2f(-21, 83);
glVertex2f(-21, 85);
glVertex2f( 21, 85);
glVertex2f( 21, 83);
glEnd();
draw_torus_arc(-14, 83, 5, 7, 10, M_PI , M_PI / 2.0f);
draw_torus_arc( 14, 83, 5, 7, 10, M_PI * 1.5f, M_PI / 2.0f);
glPopMatrix();
}
static void handle_opt_mipmap(void * opaque, const char *value)