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Removing some of the triangle code in main.cpp

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Philip Rosedale 2012-11-18 11:00:21 -08:00
parent 4174364adc
commit cb52fb7f04
2 changed files with 26 additions and 37 deletions
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interface.xcodeproj/project.xcworkspace/xcuserdata/philip.xcuserdatad/UserInterfaceState.xcuserstate generated
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55
main.cpp
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@ -125,9 +125,6 @@ Cloud cloud(250000, // Particles
struct { struct {
float vertices[NUM_TRIS * 3]; float vertices[NUM_TRIS * 3];
float vel [NUM_TRIS * 3]; float vel [NUM_TRIS * 3];
glm::vec3 vel1[NUM_TRIS];
glm::vec3 vel2[NUM_TRIS];
int element[NUM_TRIS];
}tris; }tris;
@ -325,7 +322,6 @@ void init(void)
//tris.normals[i*3+2] = pos.z; //tris.normals[i*3+2] = pos.z;
// Moving - white // Moving - white
tris.element[i] = 1;
//tris.colors[i*3] = 1.0; tris.colors[i*3+1] = 1.0; tris.colors[i*3+2] = 1.0; //tris.colors[i*3] = 1.0; tris.colors[i*3+1] = 1.0; tris.colors[i*3+2] = 1.0;
tris.vel[i*3] = (randFloat() - 0.5)*VEL_SCALE; tris.vel[i*3] = (randFloat() - 0.5)*VEL_SCALE;
tris.vel[i*3+1] = (randFloat() - 0.5)*VEL_SCALE; tris.vel[i*3+1] = (randFloat() - 0.5)*VEL_SCALE;
@ -376,40 +372,33 @@ void update_tris()
float field_contrib[3]; float field_contrib[3];
for (i = 0; i < NUM_TRIS; i++) for (i = 0; i < NUM_TRIS; i++)
{ {
if (tris.element[i] == 1) // If moving object, move and drag // Update position
{ tris.vertices[i*3+0] += tris.vel[i*3];
// Update position tris.vertices[i*3+1] += tris.vel[i*3+1];
tris.vertices[i*3+0] += tris.vel[i*3]; tris.vertices[i*3+2] += tris.vel[i*3+2];
tris.vertices[i*3+1] += tris.vel[i*3+1];
tris.vertices[i*3+2] += tris.vel[i*3+2];
// Add a little gravity // Add a little gravity
//tris.vel[i*3+1] -= 0.0001; //tris.vel[i*3+1] -= 0.0001;
const float DRAG = 0.99; const float DRAG = 0.99;
// Drag: Decay velocity // Drag: Decay velocity
tris.vel[i*3] *= DRAG; tris.vel[i*3] *= DRAG;
tris.vel[i*3+1] *= DRAG; tris.vel[i*3+1] *= DRAG;
tris.vel[i*3+2] *= DRAG; tris.vel[i*3+2] *= DRAG;
}
if (tris.element[i] == 1) // Read and add velocity from field
{ field_value(field_val, &tris.vertices[i*3]);
tris.vel[i*3] += field_val[0];
tris.vel[i*3+1] += field_val[1];
tris.vel[i*3+2] += field_val[2];
// Read and add velocity from field // Add a tiny bit of energy back to the field
field_value(field_val, &tris.vertices[i*3]); const float FIELD_COUPLE = 0.0000001;
tris.vel[i*3] += field_val[0]; field_contrib[0] = tris.vel[i*3]*FIELD_COUPLE;
tris.vel[i*3+1] += field_val[1]; field_contrib[1] = tris.vel[i*3+1]*FIELD_COUPLE;
tris.vel[i*3+2] += field_val[2]; field_contrib[2] = tris.vel[i*3+2]*FIELD_COUPLE;
field_add(field_contrib, &tris.vertices[i*3]);
// Add a tiny bit of energy back to the field
const float FIELD_COUPLE = 0.0000001;
field_contrib[0] = tris.vel[i*3]*FIELD_COUPLE;
field_contrib[1] = tris.vel[i*3+1]*FIELD_COUPLE;
field_contrib[2] = tris.vel[i*3+2]*FIELD_COUPLE;
field_add(field_contrib, &tris.vertices[i*3]);
}
// bounce at edge of world // bounce at edge of world
for (j=0; j < 3; j++) { for (j=0; j < 3; j++) {