|
|
@ -48,7 +48,7 @@ int main(void) |
|
|
|
|
|
|
|
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - shapes recursive tree"); |
|
|
|
|
|
|
|
Vector2 start = { (screenWidth / 2.0f) - i">125, screenHeight }; |
|
|
|
Vector2 start = { (screenWidth/2.0f) - f">125.0f, screenHeight }; |
|
|
|
float angle = 40.0f; |
|
|
|
float thick = 1.0f; |
|
|
|
float treeDepth = 10.0f; |
|
|
@ -64,21 +64,24 @@ int main(void) |
|
|
|
{ |
|
|
|
// Update |
|
|
|
//---------------------------------------------------------------------------------- |
|
|
|
float theta = angle * DEG2RAD; |
|
|
|
int maxBranches = (int)(powf(2, (int)(treeDepth))); |
|
|
|
Branch branches[4096]; |
|
|
|
|
|
|
|
float theta = angle*DEG2RAD; |
|
|
|
int maxBranches = (int)(powf(2, (int)(treeDepth))); |
|
|
|
Branch branches[1024]; |
|
|
|
int count = 0; |
|
|
|
|
|
|
|
Vector2 initialEnd = CalculateBranchEnd(start, 0.0f, length); |
|
|
|
branches[count++] = (Branch){start, initialEnd, 0.0f, length}; |
|
|
|
|
|
|
|
for (int i = 0; i < count; i++) { |
|
|
|
for (int i = 0; i < count; i++) |
|
|
|
{ |
|
|
|
Branch branch = branches[i]; |
|
|
|
if (branch.length < 2) continue; |
|
|
|
|
|
|
|
float nextLength = branch.length * branchDecay; |
|
|
|
|
|
|
|
if (count < maxBranches && nextLength >= 2) { |
|
|
|
if (count < maxBranches && nextLength >= 2) |
|
|
|
{ |
|
|
|
Vector2 branchStart = branch.end; |
|
|
|
|
|
|
|
Vector2 branchEnd1 = CalculateBranchEnd(branchStart, branch.angle + theta, nextLength); |
|
|
@ -95,9 +98,11 @@ int main(void) |
|
|
|
|
|
|
|
ClearBackground(RAYWHITE); |
|
|
|
|
|
|
|
for (int i = 0; i < count; i++) { |
|
|
|
for (int i = 0; i < count; i++) |
|
|
|
{ |
|
|
|
Branch branch = branches[i]; |
|
|
|
if (branch.length >= 2) { |
|
|
|
if (branch.length >= 2) |
|
|
|
{ |
|
|
|
if (!bezier) DrawLineEx(branch.start, branch.end, thick, RED); |
|
|
|
else DrawLineBezier(branch.start, branch.end, thick, RED); |
|
|
|
} |
|
|
@ -111,7 +116,7 @@ int main(void) |
|
|
|
GuiSliderBar((Rectangle){ 640, 40, 120, 20}, "Angle", TextFormat("%.0f", angle), &angle, 0, 180); |
|
|
|
GuiSliderBar((Rectangle){ 640, 70, 120, 20 }, "Length", TextFormat("%.0f", length), &length, 12.0f, 240.0f); |
|
|
|
GuiSliderBar((Rectangle){ 640, 100, 120, 20}, "Decay", TextFormat("%.2f", branchDecay), &branchDecay, 0.1f, 0.78f); |
|
|
|
GuiSliderBar((Rectangle){ 640, 130, 120, 20 }, "Depth", TextFormat("%.0f", treeDepth), &treeDepth, 1.0f, 12.f); |
|
|
|
GuiSliderBar((Rectangle){ 640, 130, 120, 20 }, "Depth", TextFormat("%.0f", treeDepth), &treeDepth, 1.0f, 10.f); |
|
|
|
GuiSliderBar((Rectangle){ 640, 160, 120, 20}, "Thick", TextFormat("%.0f", thick), &thick, 1, 8); |
|
|
|
GuiCheckBox((Rectangle){ 640, 190, 20, 20 }, "Bezier", &bezier); |
|
|
|
//------------------------------------------------------------------------------ |
|
|
@ -130,9 +135,7 @@ int main(void) |
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
static Vector2 CalculateBranchEnd(Vector2 start, float angle, float length) { |
|
|
|
return (Vector2){ |
|
|
|
start.x + length * sinf(angle), |
|
|
|
start.y - length * cosf(angle) |
|
|
|
}; |
|
|
|
static Vector2 CalculateBranchEnd(Vector2 start, float angle, float length) |
|
|
|
{ |
|
|
|
return (Vector2){ start.x + length*sinf(angle), start.y - length*cosf(angle) }; |
|
|
|
} |