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Clay Engine: draw Speaker

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This commit is contained in:
Clément Foucault
2017-02-15 03:38:21 +01:00
parent cd472bc7de
commit b0c125bcd3
3 changed files with 84 additions and 0 deletions
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61
source/blender/draw/intern/draw_cache.c
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@@ -51,6 +51,7 @@ static struct DRWShapeCache{
Batch *drw_axis_names;
Batch *drw_lamp;
Batch *drw_lamp_sunrays;
Batch *drw_speaker;
} SHC = {NULL};
void DRW_shape_cache_free(void)
@@ -81,6 +82,8 @@ void DRW_shape_cache_free(void)
Batch_discard_all(SHC.drw_lamp);
if (SHC.drw_lamp_sunrays)
Batch_discard_all(SHC.drw_lamp_sunrays);
if (SHC.drw_speaker)
Batch_discard_all(SHC.drw_speaker);
}
/* Quads */
@@ -548,6 +551,64 @@ Batch *DRW_cache_lamp_sunrays_get(void)
return SHC.drw_lamp_sunrays;
}
/* Speaker */
Batch *DRW_cache_speaker_get(void)
{
if (!SHC.drw_speaker) {
float v[3];
const int segments = 16;
int vidx = 0;
/* Position Only 3D format */
static VertexFormat format = { 0 };
static unsigned pos_id;
if (format.attrib_ct == 0) {
pos_id = add_attrib(&format, "pos", GL_FLOAT, 3, KEEP_FLOAT);
}
VertexBuffer *vbo = VertexBuffer_create_with_format(&format);
VertexBuffer_allocate_data(vbo, 3 * segments * 2 + 4 * 4);
for (int j = 0; j < 3; j++) {
float z = 0.25f * j - 0.125f;
float r = (j == 0 ? 0.5f : 0.25f);
copy_v3_fl3(v, r, 0.0f, z);
setAttrib(vbo, pos_id, vidx++, v);
for (int i = 1; i < segments; i++) {
float x = cosf(2.f * (float)M_PI * i / segments) * r;
float y = sinf(2.f * (float)M_PI * i / segments) * r;
copy_v3_fl3(v, x, y, z);
setAttrib(vbo, pos_id, vidx++, v);
setAttrib(vbo, pos_id, vidx++, v);
}
copy_v3_fl3(v, r, 0.0f, z);
setAttrib(vbo, pos_id, vidx++, v);
}
for (int j = 0; j < 4; j++) {
float x = (((j + 1) % 2) * (j - 1)) * 0.5f;
float y = ((j % 2) * (j - 2)) * 0.5f;
for (int i = 0; i < 3; i++) {
if (i == 1) {
x *= 0.5f;
y *= 0.5f;
}
float z = 0.25f * i - 0.125f;
copy_v3_fl3(v, x, y, z);
setAttrib(vbo, pos_id, vidx++, v);
if (i == 1) {
setAttrib(vbo, pos_id, vidx++, v);
}
}
}
SHC.drw_speaker = Batch_create(GL_LINES, vbo, NULL);
}
return SHC.drw_speaker;
}
/* Object Center */
Batch *DRW_cache_single_vert_get(void)